These cars are loud. - Page 3

smmmurf · 02-27-2013, 01:52 PM

Quote:

Originally Posted by JAM3S

The decrease in back pressure doesnt effect performance??

The catalytic converters are the main source of backpressure in the stock system

Chriskm3 · 02-27-2013, 02:08 PM

Loud but sexy

M3N74L · 02-27-2013, 08:35 PM

Quote:

The catalytic converters are the main source of backpressure in the stock system

How do race m3s generate back pressure. Surely they don't run cats.

JAM3S · 02-27-2013, 08:40 PM

Also if thats the case then why do some mufflers that reduce backpressure give you a torque dip at lower RPMs?

M3N74L · 02-28-2013, 10:04 AM

Found this relating to back-pressure:

http://www.8thcivic.com/forums/bolt-...le-sticky.html

02-27-2013, 02:08 PM	#46
Chriskm3 Lieutenant Colonel Drives: M3 Join Date: Jul 2012 Location: Toronto Posts: 1,786 iTrader: (2)	Loud but sexy __________________ Vf supercharger + tune/H&R coils/ Akra evolution exhaust/Volk te37/ Rs-3 tires/ Brembos /TIal BOV/ OSS blacked out headlights/LUX v3/Led taillights/ Challenge Front lip/ P3 vent gauge/ F10 m5 shift mob/Matte black front grills/ And a funky air fresher

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

02-27-2013, 08:40 PM	#48
JAM3S Second Lieutenant Drives: E92 M3 Join Date: Dec 2012 Location: Charlotte Posts: 239 iTrader: (0)	Also if thats the case then why do some mufflers that reduce backpressure give you a torque dip at lower RPMs?

02-28-2013, 10:04 AM	#49
M3N74L Chav Drives: 08 Jerez Black E92 6MT Join Date: Aug 2012 Location: Houston Posts: 34 iTrader: (0)	Found this relating to back-pressure: http://www.8thcivic.com/forums/bolt-...le-sticky.html