SOUL | 718 GT4/Spyder Exhaust Development
#1381
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From: Willow Grove, PA
Regards,
John Gaydos
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SOUL PERFORMANCE PRODUCTS
Quality Exhaust Solutions, Fair Pricing, and Outstanding Service
John Gaydos- Owner, Performance Specialist
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Jon Wheel - Marketing Manager
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SOUL PERFORMANCE PRODUCTS
Quality Exhaust Solutions, Fair Pricing, and Outstanding Service
John Gaydos- Owner, Performance Specialist
Cell - (484) 883-6197
johng@soulpp.com
Jon Wheel - Marketing Manager
jwheel@soulpp.com
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mp2day (04-20-2022)
#1382
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From: Willow Grove, PA
Ha-ha! Thanks, guys.
It is great fun tinkering with different combinations of exhaust with the 718 4.0's. These cars are so amazing in so many ways, but the stock exhaust sound is one of the weakest attributes of the cars, it really needs to be properly addressed to get the most enjoyment out of them. And there is no one perfect answer, everyone's wants and needs are a little different, and the nuances are a little different between the 4 models as well.
This time around for me, it is going to be fun to experience the experimentation with the Boxster version versus the Cayman version last year, with the subtle differences there.
Hats off to the Soul Performance team for their ongoing R&D for us, and for coming out with these Resonated OAPs!
It is great fun tinkering with different combinations of exhaust with the 718 4.0's. These cars are so amazing in so many ways, but the stock exhaust sound is one of the weakest attributes of the cars, it really needs to be properly addressed to get the most enjoyment out of them. And there is no one perfect answer, everyone's wants and needs are a little different, and the nuances are a little different between the 4 models as well.
This time around for me, it is going to be fun to experience the experimentation with the Boxster version versus the Cayman version last year, with the subtle differences there.
Hats off to the Soul Performance team for their ongoing R&D for us, and for coming out with these Resonated OAPs!
Regards,
John
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IL_Pete (06-08-2022)
#1383
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From: Willow Grove, PA
Yeah, he’s the third person reporting more interior resonance with valves closed than valves open using the Soul exhaust setup. Sounds like valved closed makes it quieter outside but dronier inside. That’s my main concern at the moment, as I want the valves closed mode to be pleasant for relaxed sixth gear country road crushing (moderate torque around 2200 RPM).
Okay,
So, I am writing this to share my opinion on Soul Valved Exhaust and hope this helps the members contemplating whether they should go with soul valved exhaust.
To me, sound is one of the most important aspects of a fun car. I sold f80 m3 and m2 comp within one year of ownership of those cars because I was frustrated with the sound of S55 motor. Although they looked beautiful, they did not sound good. I was very frustrated with their farting (?) noises. It was not about those cars’ drivability, it was purely the sound.
So when I purchased gt4, I expected a better sounding experience. I, however, was not happy with its stock sound as it was rather muted and all those chirping and ticking noises were not that nice. So I had to do something, either sell the car or do a exhaust mod for the first time. And I decided to modify the exhaust and now I am happy I did.
Firstly, I started with Akra OAP. Although I liked the soul OAP after viewing Matt’s (at Obsessed Garage) opinion and review about it, I did not want to wait for it (leading time was about 2 months at the time), plus I liked the fact that Akra had a heat shielding material already installed on it. Shortly after the installation of Akra OAP, I installed Cargraphic valve controller and removed sound symposer.
Although there may be a debate as to whether the sound symposer delete has any positive effect in reducing any unwanted noises like chirping, ticking, and drone, etc., I can confidently tell you that it reduced this unwanted boomy sound created by Akra OAP. And I agree, after its deletion, I cannot hear that nice intake noise I was able to hear when my car had stock system.
I cannot confidently say it but I was not able to hear the intake noise any more anyway after Akra OAP installation as that created boomy sound.
I was not perfectly happy with the sound of this Akra OAP at first, but sound symposer delet did help in reducing that boomy sound and I was somewhat happy with it from time to time but I knew it was not what I was expecting from P car. I wanted smooth and higher pitched sound as I rev it to redline. And Akra OAP did not give me that higher pitched, smooth sound. It did not change the tone whether you go from 5k to 8k. It’s just the same, loud, throaty, and BOOMY sound through out the rev range. I do not think it was really drone, but Akra OAP does make this uncomfortably loud boomy sound from 2k to 2,500 rpm with valve forced open. So you would not want to go 70-79 mph in 7th gear on a highway.
After 4,500 miles of driving with Akra OAP, I knew I had to change the rear section to change the tone and quality of the sound, and I finally decided to pull the trigger on Soul valved exhaust as it was always on my list. My other option was the Kline but I did not really like the sound of the system after viewing multiple videos posted by the forum members with Kline. Also this little kid in me made it impossible for me to resist getting Soul valved exhaust after reading the below on Soul website:
“Combining our Valved Exhaust Systemwith our Competition Over Axle Pipes is when the skies open up, the sun shines down and the Porsche Gods have blessed us with the sound we’ve all been waiting for.”
I know Akra OAP is not Soul comp. OAP. I, however, believed their functionality and performance in terms of the sound to be very similar with each other.
So, I installed soul valved exhaust yesterday and drove the car with valve open mostly for about 30 miles and if I can go back in time, I would not have wasted my time watching videos regarding soul valved exhaust whether that be from Soul website, Josh, Uncledude, or some random youtube because you have to listen to it with your own ears inside the cabin, not through the speaker. Crackles and pops are just enough, unlike F80. And that loud boomy sound from 2k to 2,500 rpm is gone with valve forced open. Although you get this LOUD but somehow smooth sound from 2,500 to 2,900 rpm with valve forced open (I would not call it drone or boomy sound.). Most importantly, the tone of the sound really changes as you rev up the engine. Now my car makes this loud, exotic, and high pitched but somehow smooth sound as I rev it up to redline. Plus, the car feels faster and smoother (my wife confirms it and she actually loves how smooth and fast it feels now), especially from 3k rpm.
I remember at least two members’ opinions about Soul OAP and valved exhaust that after the installation of the valved exhaust, the car somehow became quite inside the cabin. In my opinion, the sound actually gets louder but one may believe it became quite as it removed that unwanted loud BOOMY sound from OAP alone setup.
Although I have more to share about Soul valved exhaust, I will reserve that for later as I want to see how my opinion changes as I put more miles on the system.
I know this idea of a proper sound is and can be subjective, but I really love love love this system and I cannot wait to drive it want to drive it more and more.
So, I am writing this to share my opinion on Soul Valved Exhaust and hope this helps the members contemplating whether they should go with soul valved exhaust.
To me, sound is one of the most important aspects of a fun car. I sold f80 m3 and m2 comp within one year of ownership of those cars because I was frustrated with the sound of S55 motor. Although they looked beautiful, they did not sound good. I was very frustrated with their farting (?) noises. It was not about those cars’ drivability, it was purely the sound.
So when I purchased gt4, I expected a better sounding experience. I, however, was not happy with its stock sound as it was rather muted and all those chirping and ticking noises were not that nice. So I had to do something, either sell the car or do a exhaust mod for the first time. And I decided to modify the exhaust and now I am happy I did.
Firstly, I started with Akra OAP. Although I liked the soul OAP after viewing Matt’s (at Obsessed Garage) opinion and review about it, I did not want to wait for it (leading time was about 2 months at the time), plus I liked the fact that Akra had a heat shielding material already installed on it. Shortly after the installation of Akra OAP, I installed Cargraphic valve controller and removed sound symposer.
Although there may be a debate as to whether the sound symposer delete has any positive effect in reducing any unwanted noises like chirping, ticking, and drone, etc., I can confidently tell you that it reduced this unwanted boomy sound created by Akra OAP. And I agree, after its deletion, I cannot hear that nice intake noise I was able to hear when my car had stock system.
I cannot confidently say it but I was not able to hear the intake noise any more anyway after Akra OAP installation as that created boomy sound.
I was not perfectly happy with the sound of this Akra OAP at first, but sound symposer delet did help in reducing that boomy sound and I was somewhat happy with it from time to time but I knew it was not what I was expecting from P car. I wanted smooth and higher pitched sound as I rev it to redline. And Akra OAP did not give me that higher pitched, smooth sound. It did not change the tone whether you go from 5k to 8k. It’s just the same, loud, throaty, and BOOMY sound through out the rev range. I do not think it was really drone, but Akra OAP does make this uncomfortably loud boomy sound from 2k to 2,500 rpm with valve forced open. So you would not want to go 70-79 mph in 7th gear on a highway.
After 4,500 miles of driving with Akra OAP, I knew I had to change the rear section to change the tone and quality of the sound, and I finally decided to pull the trigger on Soul valved exhaust as it was always on my list. My other option was the Kline but I did not really like the sound of the system after viewing multiple videos posted by the forum members with Kline. Also this little kid in me made it impossible for me to resist getting Soul valved exhaust after reading the below on Soul website:
“Combining our Valved Exhaust Systemwith our Competition Over Axle Pipes is when the skies open up, the sun shines down and the Porsche Gods have blessed us with the sound we’ve all been waiting for.”
I know Akra OAP is not Soul comp. OAP. I, however, believed their functionality and performance in terms of the sound to be very similar with each other.
So, I installed soul valved exhaust yesterday and drove the car with valve open mostly for about 30 miles and if I can go back in time, I would not have wasted my time watching videos regarding soul valved exhaust whether that be from Soul website, Josh, Uncledude, or some random youtube because you have to listen to it with your own ears inside the cabin, not through the speaker. Crackles and pops are just enough, unlike F80. And that loud boomy sound from 2k to 2,500 rpm is gone with valve forced open. Although you get this LOUD but somehow smooth sound from 2,500 to 2,900 rpm with valve forced open (I would not call it drone or boomy sound.). Most importantly, the tone of the sound really changes as you rev up the engine. Now my car makes this loud, exotic, and high pitched but somehow smooth sound as I rev it up to redline. Plus, the car feels faster and smoother (my wife confirms it and she actually loves how smooth and fast it feels now), especially from 3k rpm.
I remember at least two members’ opinions about Soul OAP and valved exhaust that after the installation of the valved exhaust, the car somehow became quite inside the cabin. In my opinion, the sound actually gets louder but one may believe it became quite as it removed that unwanted loud BOOMY sound from OAP alone setup.
Although I have more to share about Soul valved exhaust, I will reserve that for later as I want to see how my opinion changes as I put more miles on the system.
I know this idea of a proper sound is and can be subjective, but I really love love love this system and I cannot wait to drive it want to drive it more and more.
Regards,
John
#1384
Okay,
So, I am writing this to share my opinion on Soul Valved Exhaust and hope this helps the members contemplating whether they should go with soul valved exhaust.
To me, sound is one of the most important aspects of a fun car. I sold f80 m3 and m2 comp within one year of ownership of those cars because I was frustrated with the sound of S55 motor. Although they looked beautiful, they did not sound good. I was very frustrated with their farting (?) noises. It was not about those cars’ drivability, it was purely the sound.
So when I purchased gt4, I expected a better sounding experience. I, however, was not happy with its stock sound as it was rather muted and all those chirping and ticking noises were not that nice. So I had to do something, either sell the car or do a exhaust mod for the first time. And I decided to modify the exhaust and now I am happy I did.
Firstly, I started with Akra OAP. Although I liked the soul OAP after viewing Matt’s (at Obsessed Garage) opinion and review about it, I did not want to wait for it (leading time was about 2 months at the time), plus I liked the fact that Akra had a heat shielding material already installed on it. Shortly after the installation of Akra OAP, I installed Cargraphic valve controller and removed sound symposer.
Although there may be a debate as to whether the sound symposer delete has any positive effect in reducing any unwanted noises like chirping, ticking, and drone, etc., I can confidently tell you that it reduced this unwanted boomy sound created by Akra OAP. And I agree, after its deletion, I cannot hear that nice intake noise I was able to hear when my car had stock system.
I cannot confidently say it but I was not able to hear the intake noise any more anyway after Akra OAP installation as that created boomy sound.
I was not perfectly happy with the sound of this Akra OAP at first, but sound symposer delet did help in reducing that boomy sound and I was somewhat happy with it from time to time but I knew it was not what I was expecting from P car. I wanted smooth and higher pitched sound as I rev it to redline. And Akra OAP did not give me that higher pitched, smooth sound. It did not change the tone whether you go from 5k to 8k. It’s just the same, loud, throaty, and BOOMY sound through out the rev range. I do not think it was really drone, but Akra OAP does make this uncomfortably loud boomy sound from 2k to 2,500 rpm with valve forced open. So you would not want to go 70-79 mph in 7th gear on a highway.
After 4,500 miles of driving with Akra OAP, I knew I had to change the rear section to change the tone and quality of the sound, and I finally decided to pull the trigger on Soul valved exhaust as it was always on my list. My other option was the Kline but I did not really like the sound of the system after viewing multiple videos posted by the forum members with Kline. Also this little kid in me made it impossible for me to resist getting Soul valved exhaust after reading the below on Soul website:
“Combining our Valved Exhaust Systemwith our Competition Over Axle Pipes is when the skies open up, the sun shines down and the Porsche Gods have blessed us with the sound we’ve all been waiting for.”
I know Akra OAP is not Soul comp. OAP. I, however, believed their functionality and performance in terms of the sound to be very similar with each other.
So, I installed soul valved exhaust yesterday and drove the car with valve open mostly for about 30 miles and if I can go back in time, I would not have wasted my time watching videos regarding soul valved exhaust whether that be from Soul website, Josh, Uncledude, or some random youtube because you have to listen to it with your own ears inside the cabin, not through the speaker. Crackles and pops are just enough, unlike F80. And that loud boomy sound from 2k to 2,500 rpm is gone with valve forced open. Although you get this LOUD but somehow smooth sound from 2,500 to 2,900 rpm with valve forced open (I would not call it drone or boomy sound.). Most importantly, the tone of the sound really changes as you rev up the engine. Now my car makes this loud, exotic, and high pitched but somehow smooth sound as I rev it up to redline. Plus, the car feels faster and smoother (my wife confirms it and she actually loves how smooth and fast it feels now), especially from 3k rpm.
I remember at least two members’ opinions about Soul OAP and valved exhaust that after the installation of the valved exhaust, the car somehow became quite inside the cabin. In my opinion, the sound actually gets louder but one may believe it became quite as it removed that unwanted loud BOOMY sound from OAP alone setup.
Although I have more to share about Soul valved exhaust, I will reserve that for later as I want to see how my opinion changes as I put more miles on the system.
I know this idea of a proper sound is and can be subjective, but I really love love love this system and I cannot wait to drive it want to drive it more and more.
So, I am writing this to share my opinion on Soul Valved Exhaust and hope this helps the members contemplating whether they should go with soul valved exhaust.
To me, sound is one of the most important aspects of a fun car. I sold f80 m3 and m2 comp within one year of ownership of those cars because I was frustrated with the sound of S55 motor. Although they looked beautiful, they did not sound good. I was very frustrated with their farting (?) noises. It was not about those cars’ drivability, it was purely the sound.
So when I purchased gt4, I expected a better sounding experience. I, however, was not happy with its stock sound as it was rather muted and all those chirping and ticking noises were not that nice. So I had to do something, either sell the car or do a exhaust mod for the first time. And I decided to modify the exhaust and now I am happy I did.
Firstly, I started with Akra OAP. Although I liked the soul OAP after viewing Matt’s (at Obsessed Garage) opinion and review about it, I did not want to wait for it (leading time was about 2 months at the time), plus I liked the fact that Akra had a heat shielding material already installed on it. Shortly after the installation of Akra OAP, I installed Cargraphic valve controller and removed sound symposer.
Although there may be a debate as to whether the sound symposer delete has any positive effect in reducing any unwanted noises like chirping, ticking, and drone, etc., I can confidently tell you that it reduced this unwanted boomy sound created by Akra OAP. And I agree, after its deletion, I cannot hear that nice intake noise I was able to hear when my car had stock system.
I cannot confidently say it but I was not able to hear the intake noise any more anyway after Akra OAP installation as that created boomy sound.
I was not perfectly happy with the sound of this Akra OAP at first, but sound symposer delet did help in reducing that boomy sound and I was somewhat happy with it from time to time but I knew it was not what I was expecting from P car. I wanted smooth and higher pitched sound as I rev it to redline. And Akra OAP did not give me that higher pitched, smooth sound. It did not change the tone whether you go from 5k to 8k. It’s just the same, loud, throaty, and BOOMY sound through out the rev range. I do not think it was really drone, but Akra OAP does make this uncomfortably loud boomy sound from 2k to 2,500 rpm with valve forced open. So you would not want to go 70-79 mph in 7th gear on a highway.
After 4,500 miles of driving with Akra OAP, I knew I had to change the rear section to change the tone and quality of the sound, and I finally decided to pull the trigger on Soul valved exhaust as it was always on my list. My other option was the Kline but I did not really like the sound of the system after viewing multiple videos posted by the forum members with Kline. Also this little kid in me made it impossible for me to resist getting Soul valved exhaust after reading the below on Soul website:
“Combining our Valved Exhaust Systemwith our Competition Over Axle Pipes is when the skies open up, the sun shines down and the Porsche Gods have blessed us with the sound we’ve all been waiting for.”
I know Akra OAP is not Soul comp. OAP. I, however, believed their functionality and performance in terms of the sound to be very similar with each other.
So, I installed soul valved exhaust yesterday and drove the car with valve open mostly for about 30 miles and if I can go back in time, I would not have wasted my time watching videos regarding soul valved exhaust whether that be from Soul website, Josh, Uncledude, or some random youtube because you have to listen to it with your own ears inside the cabin, not through the speaker. Crackles and pops are just enough, unlike F80. And that loud boomy sound from 2k to 2,500 rpm is gone with valve forced open. Although you get this LOUD but somehow smooth sound from 2,500 to 2,900 rpm with valve forced open (I would not call it drone or boomy sound.). Most importantly, the tone of the sound really changes as you rev up the engine. Now my car makes this loud, exotic, and high pitched but somehow smooth sound as I rev it up to redline. Plus, the car feels faster and smoother (my wife confirms it and she actually loves how smooth and fast it feels now), especially from 3k rpm.
I remember at least two members’ opinions about Soul OAP and valved exhaust that after the installation of the valved exhaust, the car somehow became quite inside the cabin. In my opinion, the sound actually gets louder but one may believe it became quite as it removed that unwanted loud BOOMY sound from OAP alone setup.
Although I have more to share about Soul valved exhaust, I will reserve that for later as I want to see how my opinion changes as I put more miles on the system.
I know this idea of a proper sound is and can be subjective, but I really love love love this system and I cannot wait to drive it want to drive it more and more.
So far the only thing I like less about the 718 4.0 compared to my 996 4.0 is the sound. I think this problem is about to be solved.
Plus - working with John Gaydos & Soul was an absolute pleasure! Talk about under promise & over deliver 😁
The following 2 users liked this post by mp2day:
DFW01TT (04-21-2022),
Soul Performance (04-20-2022)
#1385
#1386
My Soul OAPs and valved muffler get installed tomorrow! I’m SO EXCITED!
So far the only thing I like less about the 718 4.0 compared to my 996 4.0 is the sound. I think this problem is about to be solved.
Plus - working with John Gaydos & Soul was an absolute pleasure! Talk about under promise & over deliver 😁
So far the only thing I like less about the 718 4.0 compared to my 996 4.0 is the sound. I think this problem is about to be solved.
Plus - working with John Gaydos & Soul was an absolute pleasure! Talk about under promise & over deliver 😁
I am sure you will love it.
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Soul Performance (04-27-2022)
#1387
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From: Willow Grove, PA
My Soul OAPs and valved muffler get installed tomorrow! I’m SO EXCITED!
So far the only thing I like less about the 718 4.0 compared to my 996 4.0 is the sound. I think this problem is about to be solved.
Plus - working with John Gaydos & Soul was an absolute pleasure! Talk about under promise & over deliver 😁
So far the only thing I like less about the 718 4.0 compared to my 996 4.0 is the sound. I think this problem is about to be solved.
Plus - working with John Gaydos & Soul was an absolute pleasure! Talk about under promise & over deliver 😁
Regards,
John Gaydos
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metalone (04-27-2022)
#1388
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From: Willow Grove, PA
Tex finishing up a Valved Exhaust System! We're looking forward to getting you sounding better and going faster this summer! If you have any questions about our components please let us know!
-Mike
-Mike
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#1389
Soul OAP is exactly what I was hoping for. Picked up my GT4 from Extreme Velocity Motorsports {had to give a shout out to Derek and the team at EVM} this morning and couldn't be happier.
Nice little "bark" on startup, but not enough to rile up the neighbors. Street driving is marginally louder, can still carry on a conversation in the cabin. But man, feed the throttle and the soulful 4.0 NA wail comes to life!
EVM also did a tune to prevent throwing a code {and add a smidge of performance tweak}. On the drive up to Sebring from Jupiter, no codes, perfect!
Fresh Cup 2's and my first track alignment as well, looking forward to 2 days with PBOC!!
Nice little "bark" on startup, but not enough to rile up the neighbors. Street driving is marginally louder, can still carry on a conversation in the cabin. But man, feed the throttle and the soulful 4.0 NA wail comes to life!
EVM also did a tune to prevent throwing a code {and add a smidge of performance tweak}. On the drive up to Sebring from Jupiter, no codes, perfect!
Fresh Cup 2's and my first track alignment as well, looking forward to 2 days with PBOC!!
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Unstock (05-10-2022)
#1390
Soul OAP is exactly what I was hoping for. Picked up my GT4 from Extreme Velocity Motorsports {had to give a shout out to Derek and the team at EVM} this morning and couldn't be happier.
Nice little "bark" on startup, but not enough to rile up the neighbors. Street driving is marginally louder, can still carry on a conversation in the cabin. But man, feed the throttle and the soulful 4.0 NA wail comes to life!
EVM also did a tune to prevent throwing a code {and add a smidge of performance tweak}. On the drive up to Sebring from Jupiter, no codes, perfect!
Fresh Cup 2's and my first track alignment as well, looking forward to 2 days with PBOC!!
Nice little "bark" on startup, but not enough to rile up the neighbors. Street driving is marginally louder, can still carry on a conversation in the cabin. But man, feed the throttle and the soulful 4.0 NA wail comes to life!
EVM also did a tune to prevent throwing a code {and add a smidge of performance tweak}. On the drive up to Sebring from Jupiter, no codes, perfect!
Fresh Cup 2's and my first track alignment as well, looking forward to 2 days with PBOC!!
#1392
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From: Willow Grove, PA
Soul OAP is exactly what I was hoping for. Picked up my GT4 from Extreme Velocity Motorsports {had to give a shout out to Derek and the team at EVM} this morning and couldn't be happier.
Nice little "bark" on startup, but not enough to rile up the neighbors. Street driving is marginally louder, can still carry on a conversation in the cabin. But man, feed the throttle and the soulful 4.0 NA wail comes to life!
EVM also did a tune to prevent throwing a code {and add a smidge of performance tweak}. On the drive up to Sebring from Jupiter, no codes, perfect!
Fresh Cup 2's and my first track alignment as well, looking forward to 2 days with PBOC!!
Nice little "bark" on startup, but not enough to rile up the neighbors. Street driving is marginally louder, can still carry on a conversation in the cabin. But man, feed the throttle and the soulful 4.0 NA wail comes to life!
EVM also did a tune to prevent throwing a code {and add a smidge of performance tweak}. On the drive up to Sebring from Jupiter, no codes, perfect!
Fresh Cup 2's and my first track alignment as well, looking forward to 2 days with PBOC!!
Regards,
John Gaydos
#1393
With you on the Safari 911 build, that car is sick! Would love to post a video, just as soon as I can figure out how to transfer video from Garmin Catalyst to Mac Air.
Help please anybody. Thanks.
Help please anybody. Thanks.
#1394
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HooosierDaddy (06-04-2022),
slilley (06-01-2022)
#1395
Another video comparison, where I added in the resonated OAPs alone.
The resonated OAP only setup has the least drone of any setup, I feel even better than stock. They are a great bang for buck with no downside. I wish I had taken a video of the stock system, but I didn’t. The rear box will go back on soon, but I wanted to try this combo out. The sound is good, better than I expected.
Combining OAPs with the rear Valved system really make the car sound exotic.
The resonated OAP only setup has the least drone of any setup, I feel even better than stock. They are a great bang for buck with no downside. I wish I had taken a video of the stock system, but I didn’t. The rear box will go back on soon, but I wanted to try this combo out. The sound is good, better than I expected.
Combining OAPs with the rear Valved system really make the car sound exotic.
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