horns

I think I'm missing something. Is the sport package more expensive than buying the pieces a la carte?

I'm weighing the idea of OAPs with some form of rear system. The non-resonated race pipe is out for me. I have experience with a RS with no mufflers. It sounds great, but it's way too much for the Spyder considering my planned usage.

I'm debating the valved muffler vs the resonated race system. I want to go for the resonated pipe, but I'm thinking it won't be much quieter than the non-resonated pipe and will effectively be like no mufflers in terms of sound volume. I prefer not to have a transition of the valves either, so the valved system would likely end up disabled and I'd be buying functionality i don't want (plus the unnecessary weight that I would not be able to notice &#128512.

In the videos above of the valved system and the resonated race pipe, they don't sound so different in terms of volume through my bad speakers.

I said a lot to basically ask if the resonated race pipe does offer a noticeable level of muffling?

As a frame of reference, a 991 GT3 with street headers, side delete, and factory center is quiet enough to meet my criteria. A little louder is ok, but I don't want an unmuffled volume level.

Poupon McArr

pretty sure the race exhaust is literally a muffler delete + GPF delete

horns

I think you are right. I'm just hoping the resonated version offers so muffling, but my gut says it won't be much.

lovetoturn

It seems like a lot of people like the idea of a race exhaust but don’t quite want that much volume or any drone. Seems like there might be a market for an X pipe muffler with a single pipe oap. The whole design can be 2 1/2 inch straight through unobstructed. You could put a large barrel resonator right where the old gpf used to be and have it bolted to the stock exhaust attachment points. Sort of how Cargraphics does theirs, but as a functional resonator to calm drone like the Kline oap does. Less weight from less pipes. I would much rather have a full 2 1/2 inch X pipe muffler all the time, rather than the skinnier OEM diameter of the secondary pipe, which I believe is less than 2 inches. I don’t know that we need to be tied down to the two option sports exhaust button that Porsche must put on the cars to meet European noise regulations. Once you figure out what you like you tend to leave it in a certain spot anyways. I don’t know that you need to compromise with a little of this and a little of that. You might as well go for the one best optimized option for your needs.

Soul has done a fantastic job with their rear section to maintain stock factory plug and play installation while improving both exhaust pathways. This is the most marketable solution for most people and is definitely good for business. Maybe something in between the race and the current sports exhaust could work for some of us.

spyderphile

Are you running stock exhaust or Soul/something-else? So, zero drone at any RPM?

Jim Rockford

Soul has a resonated version of the race exhaust. Did you know about this one? as it’s pretty much spot on with what you are asking. Or design is what your are looking for but you think this is still potentially too loud?
https://soulpp.com/product/porsche-7...-race-exhaust/

horns

At least for myself this is the kind of system I'd like as long as the resonators providing some muffling. My assumption is that they primarily reduce drone but don't have much muffling effect. I have unmuffled on another car. I like it, but for the Spyder I don't want to go that far.

Merlotsj

@Matt - When will we see the next video of GT4 exhaust mods?

Soul Performance

I asked Tom at TPC to come chime into the thread. If they're as busy as we are, I expect it may take some a bit for him to put aside a block of time and make an educational post on the topic. Please feel free to give them a shout any time to chat about it, they're good guys over there.

Regards,
John

Soul Performance

Thank you all very much for the business and your patience! The unsung heroes of our fabrication team are working their tails off to get them out to you ASAP. Please feel free to email marketing@soulpp.com and see if Mike can arrange some photos of your system being built when it comes through the queue : )

Thanks for chiming in with your feedback, we love hearing from our customers! If you're looking for that higher/smooth RS pitch you might consider adding that Valved Exhaust System we designed

Awesome feedback Randy thank you! I look forward to seeing you soon when you come stop by with your son. I'll give you an inside look at our humble facility, and hopefully see that car of yours in person given the weather cooperates haha.

Regards,
John

CDACH

Tom said they have a fully working prototype but did not share any info on plans or timing to release to the public.

Soul Performance

Since the release of our Race Exhaust (whether it be in this thread, on our product page, and on the phone with everyone we've chatted with) we've tried to be as transparent as possible about realistic expectations of drone on this system. I don't believe we have a single customer that has purchased our Race Exhaust with sufficiently understanding they are receiving a "Race Exhaust" as it is aggressive in it's design, and we aim to keep it that way.

For your reference, the resonators certainly help take the edge off the drone but by no means is it eliminated. Overall sound level is slightly reduced, but not my much. I prefer the Resonated setup more. The sound is a bit smoother, and it takes the edge off the overall sound level and resonance in cabin in comparison to the Non Resonated version. . However in video you can't tell the difference, so our video of the Race Exhaust in the thread and on our product page is actually a compilation of both Resonated and Non Resonated. That said, in driving our Race Exhaust in it's different configurations I've found the drone level to be less than equivalent systems on the previous generation 987/981 Boxster/Caymans. For someone that subjectively doesn't mind having some drone, I don't think it was "that bad". You'll find similar feedback from various owners running this system throughout the thread. Personally I feel the only downside to the resonators is about 3lbs more weight than our Non Resonated version. However, it still saves about 26lbs over the factory exhaust compared to about 29lbs of the Non Resonated version. Quite frankly, if you can't feel the difference driving the car with three cans of WD40 in your trunk from your latest trip to Pepboys, then you should just buy the Resonated version. Now that said, the Non Resonated version is $200 less expensive, and when I can light $200 on fire and not care I'll be sure to let you know haha. That system is for someone looking for the maximum return on investment of sound level, aggressiveness, and weight loss with little care for any other variables. For someone that doesn't like drone but likes the tone/pitch of our Race Exhaust, they should consider pairing our Competition Over Axle Pipes with our Valved Exhaust System (our Sport Package), as the valves open flow path of this setup has similar sound/tone as our Race Exhaust but without the drawbacks of drone/resonance.

Regards,
John Gaydos

Poupon McArr

I've always been someone who ordered valved exhausts because I didn't want the drone. But once I had them installed I don't think I ever closed the valves... This time I just skipped the valves and went race exhaust with the expectation of some drone, but who would want those pesky valves to hinder those glorious downshifts?

Soul Performance

To answer your first question, yes the items al la carte are on special for less than the package price during the black friday period we are running. To go through every SKU for every package combination and further discount them on top of the package price to match the individual products...we'd rather have that time soak be put elsewhere at the moment, we are a humble team not a massive marketing powerhouse haha.

As far as the resonated race exhaust vs the OAP/VES combination...that's an in depth conversation we should have to ensure you make an educated decision, and is best served over the phone. Conversation can only come across so efficiently versus text, please give me a call at 4848836197 at your convenience and I'll make sure we hone in the the right move for you. In short though, you're correct in your assumption that the Resonators don't make "Much" difference in overall sound level and drone. I would describe them best as taking the edge off in both aspects. The OAP/VES off the information you've provided so far sound like the better move for you. Overall sound level with valves open is less than the resonated race exhaust due to piping diameter and adding a secondary flow path. Also, don't be afraid of that valve transition from closed to open, it is actually much smoother than you'd expect by our design to the driver.

Regards,
John Gaydos

Soul Performance

I don't think Matt at Obsessed Garage saw your question in this thread. You might want to ask him in the thread below that he specifically started to document his exhaust journey on this platform

https://rennlist.com/forums/718-gts-...t-pursuit.html

Thanks for the update! I'll chase him a little bit over the next few weeks for some more information, I'm as excited for this as anyone else haha.

Regards,
John Gaydos