Quote:
Originally Posted by justjoshin
I did SP headers with cats, CAI intake, and dyno tune for $2400 installed to give you a comparison. I didn't replace the whole exhaust, only the mufflers with Magnaflows (11366) and quad tips for $540. Like 14pilot stated, this will get a LS3 around 500HP to the crank. I have a L99 and it did 384 RWHP.
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What was your stock dyno number? 384rwhp is a good starting point for very few mods!