12 Horsepower gain for only $60...(ebay auction!)

That's similar to the one I want to buy, but doesn't claim 12 horsepower though. It's probably one of the cheaper ways to go.
 
ummm
the day a muffler for a NA, relativley low compression 2.0 liter 4 cylinder engine adds 12hp, we should have the technology to cure cancer and end world hunger.
 
will this sound like s*** too?

MUAN1S.jpg
 
AcoupDetat01 said:
if you only buy a muffler... i dont think it would help performance.
It certainly does, we have dynos on here that show a 9hp gain with intake and exhaust.
but not all "racing" mufflers do anything...dont see a dyno, dont buy....
 
how much HP gain do you people think i can get with an InJen Cai and a Custom Catback 2" Pipe with an Apexi N1 NA muffler?
 
pr5owner said:
how much HP gain do you people think i can get with an InJen Cai and a Custom Catback 2" Pipe with an Apexi N1 NA muffler?
I would assume about the same as with the mazdaspeed and intake....i'll find the thread for you (it's my job)......
here we go
the mazdaspeed will not give the same gains as that apexi with larger piping. My earlier figure of 9 was way off. It looks like about 4WHP for both mods
expect at least 4, maybe 5 or 6 with the Apexi, Injen, and piping.
 
Back