Quote Originally Posted by WLW@RSC View Post
I'm not sure what the factory race exhaust does in terms of gains, as I understood it I thought the factory said the race exhaust added 40 Ft-Lbs of torque but never quoted a HP #.

Our race exhaust, which is in stock and ready to ship at a significantly lower price than the Lamborghini Race Exhaust, made 29WHP on a Mustang Dyno.
I already have the race exhaust installed, the brochure says 5 % gain. My question is do any of the aftermarket ecu tune offer ADDITIONAL gains with this exhaust. Thanks.