Quote:
Originally Posted by oldman
Already said, many times that the m6 needs primary cats! I don’t know is bullets would work, I don't know if something like the Borla dual muffler midpipe will work. High flow cats work. Don't think any exhaust work outside of adding cats will work.
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Bullets in the x-pipe and rear mufflers work pretty good.
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87' IROC A4 what a car to have at 15 sold
93' Z/28 FBO M6 sold
00' SS H/C/I , 4k yank stall, 100hp TNT N20 sold
10'SS H/C/I M6 sold
12' C6 GS M6 H/C/I , A&A TI Trim ,15" Billet Specialties, 880 RWHP with 109 & meth. 9.70s @ 146 sold.
17' A8 1SS NGM stock for now
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