# Keep my current duals or go with a single exhaust?

**URL:** <https://forums.speedlife.net/t/keep-my-current-duals-or-go-with-a-single-exhaust/186966>\
**Category:** PittSpeed Automotive\
**Created:** [December 22, 2006, 3:50pm UTC](https://forums.speedlife.net/t/keep-my-current-duals-or-go-with-a-single-exhaust/186966 "2006-12-22T15:50:24Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![fmfkid250](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/fmfkid250/32/5973_2.png) [@fmfkid250](https://forums.speedlife.net/u/fmfkid250)\
**Post date:** [December 22, 2006, 4:17pm UTC](https://forums.speedlife.net/t/keep-my-current-duals-or-go-with-a-single-exhaust/186966/13 "2006-12-22T16:17:17Z")

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> [@NYSpeed Track Day #1 - Friday June 15th, 2007](https://forums.speedlife.net/t/nyspeed-track-day-1-friday-june-15th-2007/26320/64):
>
> +1 on overkill… single 4 inch is enough to feed a 400-500whp V8…let alone a 300whp turbo 4.
> 
> i’d go 3 inch with a muffler. thats plenty. lots of STI’s using 3inches and making big power. same with alot of turbo 4’s
> 
> my friend used to have a 11 second neon with open down pipe… that thing was wicked sounding but loud

its not about overkill its about how the turbo spools and makes power with and open DP and thew a muffler  
I have lots of experance with this thewout the years

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