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VADER SS L99 · 11-26-2012, 08:54 PM

Yep, if I had it to do over again I would have pocketed the 1k in cat back cost until after I get supercharged. At which time I would have gone full 3inch. Now if I decide to get 3inch after the Whipple I will have to spend another 1k. I hate buying parts twice. Other than weight, appearence, and different sound there is no power to gain from a catback under 450rwhp and even then at that point you need a 3inch system to see any gains..

11-26-2012, 08:54 PM	#145
VADER SS L99 Drives: 2013 A6 GT 5.0 Join Date: Nov 2009 Location: Edmond, OK Posts: 2,909	Yep, if I had it to do over again I would have pocketed the 1k in cat back cost until after I get supercharged. At which time I would have gone full 3inch. Now if I decide to get 3inch after the Whipple I will have to spend another 1k. I hate buying parts twice. Other than weight, appearence, and different sound there is no power to gain from a catback under 450rwhp and even then at that point you need a 3inch system to see any gains.. __________________ BLK/BLK 1SS/RS Ordered 11-01-2009 Took delivery 12-22-2009. Heads/cam/converter/bolt ons. SOLD Feb 2015 to fund 6th gen LT1 SS with 8L90E.