Blackrose Posted May 17, 2010 Share Posted May 17, 2010 Do you really need to change the CAT back or can you just do Header\UP pipe\ DP? I would like to keep my exhaust as quiet as posible? Link to comment Share on other sites More sharing options...
Irimis Posted May 17, 2010 Share Posted May 17, 2010 General idea is if your going for a lot of power you will want a 3" exhaust over the 2.5 to allow air to flow. This is with bigger builds. You could always get a mid/y and mate it with stock cans. The CX lighting stuff lots of people are doing. They buy the exhaust and sell the cans keeping the mid/y. If you want it to be quieter you could always have an exhaust shop put in a resonator. Link to comment Share on other sites More sharing options...
scoobydoobie Posted May 17, 2010 Share Posted May 17, 2010 You don't NEED to change anything. I ran Grimmspeed PnP mani/crosssover, GS UP, Cobb DP (+AVO TMIC and AEM CAI) w/the stock catback for a while. I still run that setup just with custom magnaflow axlebacks mated to the stock mid/y for little bit of rumble. But yeah, stock CBE is fine if you wanna keep things quiet and aren't going with a big turbo. Link to comment Share on other sites More sharing options...
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