BMW M3 Forum (E90 E92) - View Single Post - Test Pipes vs Mid pipe vs Rear Section HP gains

SflBimmer8484 · 04-15-2013, 01:19 AM

Some exhausts might not give this much but it should be close enough.

Full exhaust around +28 whp
Tune + full exhaust from +40-45 depending on the octane you have available.

04-15-2013, 01:19 AM	#2
SflBimmer8484 Brigadier General 1469 Rep 3,157 Posts Drives: . Join Date: Dec 2011 Location: Florida iTrader: (5)	Some exhausts might not give this much but it should be close enough. Full exhaust around +28 whp Tune + full exhaust from +40-45 depending on the octane you have available.
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