Quote:
Originally Posted by Arkaine
Not to highjack the thread (hopefully add to it), but will I still see gains with the Stillen G3 and using the stock exhaust? I understand it won't be as effective because you want the car to be able to exhale, but I really don't want an aftermarket exhaust.
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I would look into the G3's and look at ART's resonated test pipes... they show more gains than high flow cats as well as any other test pipe out there but without a lot of the noise. That should get you about 20 whp total I would think... perhaps more. They are expensive, so be warned and if that doesn't interest you then Berks high flow cats a lot of people get with just the stock set-up.
One guy did just a cheap ebay Y pipe for 100.00 and the ART pipes and gained 20 whp. No other mods