Quote:
Originally Posted by SSOOCH
Your stock exhaust is stainless steel. Just like Magnaflow, just like Corsa just like Borla just like SLP. I personally wouldn't touch it until you start getting mods with tons of horsepower.
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Yes the OEM system is stainless steel, but includes 4 cats and 2 resonators, and 2 large restrictive mufflers, as well as a bunch of flat spots (clearencing) and kinked bends. We have seen as much as 40 horsepower gains from our full system without a tune! Add a cold air intake, a cam/valvespring swap, and a good tune and we made 107 rwhp improvement. 473 at the rear wheels for about 3k, which is starting to get you into the realm of the boosted cars...
Most of our customers choose exhaust as the first modification, simply because of the sound. Make it sound great, you make it more enjoyable to drive, and a heck of a lot more noticeable at the cruise-in!