Catback vs No Mufflers

ViperJ · March 30th, 2010, 07:37 PM

So I have searched the forum and I am not sure why it didn’t come up cause I am sure this has been asked before

My car came with the mufflers removed and I like the sound of it now. I am trying to find a rough hp difference between that and going with a cat-back. Is there going to be a big HP difference to going with a cat-back vs leaving it as is? It looks like they are both 2.5" piping but the catback would have mandrel-bends. Or is my "catback" able to run a supercharge and not have too much backpressure?

My plans are 400whp for the car, supercharged, full exhaust, etc daily driver

mustanginky · March 30th, 2010, 08:08 PM

no it doesn't cost you hardly any horsepower. i hate straight pipes anyways, sounds like a farm truck IMO.

6ER THEN I 8ER! · March 30th, 2010, 08:12 PM

Originally Posted by mustanginky

no it doesn't cost you hardly any horsepower. i hate straight pipes anyways, sounds like a farm truck IMO.

x2....borlas and flow 40s sound like sex on a 4.6 IMHO

March 30th, 2010, 07:37 PM	#1
ViperJ Newbie 2002 Mustang GT Join Date: Mar 2010 Location: Issaquah Wa Posts: 3 iTrader: 0 reviews	Catback vs No Mufflers So I have searched the forum and I am not sure why it didn’t come up cause I am sure this has been asked before My car came with the mufflers removed and I like the sound of it now. I am trying to find a rough hp difference between that and going with a cat-back. Is there going to be a big HP difference to going with a cat-back vs leaving it as is? It looks like they are both 2.5" piping but the catback would have mandrel-bends. Or is my "catback" able to run a supercharge and not have too much backpressure? My plans are 400whp for the car, supercharged, full exhaust, etc daily driver

March 30th, 2010, 08:08 PM	#2
mustanginky MM Fanatic 2000 gt Join Date: Feb 2009 Location: La grange, KY Posts: 4,260 iTrader: 2 reviews	no it doesn't cost you hardly any horsepower. i hate straight pipes anyways, sounds like a farm truck IMO. __________________ Procharged 2000 5 Speed BAB GT, built motor, blower cams, speedy dyno tune 412 hp, 450 rw tq HARDCORE CREW BRIGHT ATLANTIC BLUE CREW #1 MEMBER

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