Quote:
Originally Posted by NJSPEEDER
If your exhaust is right or close for your car then it won't help much. If you open up a cut out on a 3 inch system and you pick up anything noticeable, it is time to upgrade to 3.5" tubing.
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As my car sits right now it traps 120mph on motor through a single 3" Blowdisaster American Thunder cat-back
That makes me wonder if I'm holding back a ton of HP or if single 3" isn't nearly as restrictive as people think.
I guess I'm going to buy me a cheapie 3" cutout and place it right after my Y-pipe... We'll see what happens.