How much power would I lose swapping to the stock cat-back?
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Join Date: Jun 2005
Location: Was New Orleans, but swam to Baton Rouge
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I can tell you for a fact if you use Z06 Ti exhaust you will not lose a thing. My car was test both before and after with the Ti exhaust and it made 423 rwhp with both. The torque was like 406 on one and 408 on the other. This was on a LS6 engine with F14 cam and bolt ons.