Test Pipes vs Mid pipe vs Rear Section HP gains
View Single Post
04-15-2013, 02:19 AM
BimmerPost Supporting Vendor
Drives: 17 F80 M3 YASSS
Join Date: Dec 2011
Location: Miami Fl
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.
View Public Profile
Find More Posts by Andrew@ActiveAutowerke