Euro section 1 (catted), leave section 2 alone, get a quieter muffler.
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2005 IR/IR M3 Coupe
2012 LMB/Black 128i
2008 Black/Black M5 Sedan
For sale: 6MT 2008 M5: https://nam3forum.com/forums/forum/c...fully-modified -
Euro OEM sec 1 and OEM muffler. The oem design is meant to work as a rudimentary diffuser and helps prevent ballooning of your rear bumper at speed. Both functions which many of the aftermarket exhaust manufacturers seem to overlook or discard. Supersprint street if you insist on aftermarket though2002 TiAg M3 Coupe (SMG to 6spd), 2003 Jet Black M5
https://www.instagram.com/individual_throttle_buddies/Comment
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Added an AR20 to my setup and I feel a loss of power in the mid range. Not sure if that's normal, but if euro cats flow equally well or only slightly worse to the resonators then that seems like the smarter option.Attached FilesGarage:
2002 BMW M3: Slicktop jetblack/cinnamon. SMG to 6-speed. Arc-8's. Koni yellows/Dinan springs. Macht elbow. Megan headers. Stock section 1+AR20. SCZA section 3.
2001 BMW 740iComment
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I would get a euro section one, and weld in two ar20’s to it.Comment
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How would that work? Cut off the cats? Seems it would be way cheaper to start with US sec 1.Originally posted by JudahJD904 View PostComment
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I think he would just need to cut off the straight pipe section and weld in two ar20’s? I was fortunate to grab a early model cpi rtx section one with race cats for sale a few weeks ago and it’s the perfect setup for me. It’s gotten rid of 95% of the noxious fumes and 100% of the raspOriginally posted by Rkymtnrider View PostAttached FilesComment
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