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      08-08-2013, 01:10 PM   #13
Sandye90m3's Avatar

Drives: M3
Join Date: Oct 2009
Location: Toronto, CA

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Originally Posted by CSanto View Post
Mild Exhaust+Stock Xpipe = Some Sound Increase, but no Power increase
Mild Exhaust+Test pipes (Or primary delete Xpipe) = Some sound Increase, Some Power Increase
Mild Exhaust+Sport Xpipe(HFC) = A Tad more Sound Increase, Some Power Increase

Mild Exhaust+Catless Xpipe = Most Sound increase for that Exhaust, Most Power Increase

Replace Mild exhaust with the Axle back of your choosing to get desired sound level.
Originally Posted by momo3605 View Post
Yea, depends on what you want. Just for sound, do the rear section. Test pipes will get you about 80% of the possible power, and catless Xpipe will get you all the way (but with way too much sound if you ask me haha)
Thanks for the info, now does deleting the primary cats pass emissions of California? And does it carry that smell?

Because right now I'm debating whether I should get the Gintani Race or Sport rear section. I want to be able to hear it in the cabin, so that's why I'm leaning over towards the race side
M3.E90 JZB Blacked out.Coded.TurnerTestPipes.GTSDCT. Magnaflow w/DinanTips. ResDelete. GintaniTune