BMW M3 Forum (E90 E92) - View Single Post - If the Exhaust is too loud

Gearhead999s · 02-24-2013, 08:05 AM

Supertrapps are real bad for power but depending on the disc setup can do a good job of quieting things down.We used them over 20 years ago on our racecar & went to Flowmasters to meet the noise regs.I am suprised that Supertrapps are still used.

02-24-2013, 08:05 AM	#3
Gearhead999s Major General 815 Rep 7,887 Posts Drives: RR Velar R=Dynamic M2C R1200GS Join Date: Apr 2007 Location: Toronto iTrader: (0)	Supertrapps are real bad for power but depending on the disc setup can do a good job of quieting things down.We used them over 20 years ago on our racecar & went to Flowmasters to meet the noise regs.I am suprised that Supertrapps are still used.
	Appreciate 0 Quote