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**MR 325** · 01-27-2011, 10:24 AM

Originally posted by nando View Post

2.25" is still smaller than stock for an M20

Yeah, I'd stick with single 2.5" on the M20 as well.

**einstein57** · 01-27-2011, 09:56 PM

FWIW nissan gtr mufflers sound bad ass on m20s.

**E30 Beast** · 01-30-2011, 08:27 PM

i would like to know about the vibrant muffler as well as i also have an m30 and looking for a decent muffler keep us posted

**Killacortes** · 01-30-2011, 08:36 PM

Originally posted by nando View Post

2.25" is still smaller than stock for an M20

what about an m50? single 2.5? or dual 2.25 :D

**nando** · 01-30-2011, 08:46 PM

2.5 min

**bloodshot-e30** · 01-30-2011, 09:35 PM

i ran a 2.25 inlet borla on my M52 and it never hurt anything.

**Killacortes** · 01-30-2011, 09:37 PM

Originally posted by bloodshot-e30 View Post

i ran a 2.25 inlet borla on my M52 and it never hurt anything.

dual 2.25? how did it sound ive never heard a borla muffler on an m50.

**nando** · 01-30-2011, 09:42 PM

Originally posted by bloodshot-e30 View Post

i ran a 2.25 inlet borla on my M52 and it never hurt anything.

That you ever measured...

**MR 325** · 01-30-2011, 10:20 PM

Originally posted by Killacortes View Post

what about an m50? single 2.5? or dual 2.25 :D

Single 2.5" is just fine for the M50 engine.

2.5" exhaust to 2.25" muffler