Originally Posted by JG 996T
(Post 19202161)
agreed they all sound similar on video
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One other thing to consider is that idle and revving doesn't really give you the true sound. You need to hear the car under load both hard on gas and light on gas to hear the real music and I just do not know how to accurately capture the symphony.
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Cross posts for my current 7.1RS and my setup on the prior 7.2:
https://rennlist.com/forums/997-gt2-...l#post19203315 https://rennlist.com/forums/997-gt2-...l#post18743595 |
Originally Posted by jreifler
(Post 19203329)
Cross posts for my current 7.1RS and my setup on the prior 7.2:
https://rennlist.com/forums/997-gt2-...l#post19203315 https://rennlist.com/forums/997-gt2-...l#post18743595 |
Originally Posted by yoojeankim
(Post 19203362)
thanks for this post! was looking at different systems and was scared the akra would be too tame
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Originally Posted by jreifler
(Post 19203374)
With the side mufflers, I think it is. There’s probably some low - mid torque benefit retained by running the sides, but I didn’t notice any dip at all from stock with it configured this way. Conversely, on my .2, there was a noticeable drop in low to mid torque with the Supersprint long tube headers. I think it’s down to back pressure. Long headers = more power / tq at higher RPM. Shorter headers + more back pressure = low end while sacrificing high end.
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Originally Posted by powdrhound
(Post 19203460)
I think this is where valved side deletes will help as they create back pressure below 4K or so and open up above that thus giving you the benefit throughout the full RPM range. Retaining the valves on the side deletes is beneficial in my opinion.
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Originally Posted by jreifler
(Post 19203478)
Good points. The Akra kit has valves and I retained them, but really don’t like the abrupt binary on/off at ~4k. Just feels unnatural. Prefer it with PSE unplugged, but appreciate that others might like it.
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Originally Posted by yoojeankim
(Post 19203362)
thanks for this post! was looking at different systems and was scared the akra would be too tame
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Woke the gt3 up from a 4 month slumber this weekend. I forgot how much I like the way all the Dundon stuff sounds on this car. It has the long tube headers with cats, and their quiet muffler. It’s a tiny bit loud, but I have to imagine it’s quieter than all the setups that don’t include cats.
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Originally Posted by Auto_Werks 3.6
(Post 19314889)
Woke the gt3 up from a 4 month slumber this weekend. I forgot how much I like the way all the Dundon stuff sounds on this car. It has the long tube headers with cats, and their quiet muffler. It’s a tiny bit loud, but I have to imagine it’s quieter than all the setups that don’t include cats.
https://youtube.com/shorts/2AwG_UV1T...Uh-NXhSP-HePWG |
Originally Posted by jreifler
(Post 19314934)
What an amazing color combo, and AX layout. Our courses are so tight and short by comparison. Sounds a lot like mine with full Akra exhaust.
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Originally Posted by Auto_Werks 3.6
(Post 19316378)
thanks! We’re picky about where we will autocross. Mostly we like to go where a good chunk of people drive the solo national championship event. This particular region used the phrase “we only train for the Olympics” to describe their courses. Big autocross courses are way more fun than tight pinchy stuff
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My Kline Inconel system(200 cell headers). Valves open with a Cargraphic controller and a 5K RPM shift point. |
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