Is this hurtin my cars performance??

Silver95Stint

New Member

Oct 28, 2003

350

0

0

England

May 6, 2004

#1

• May 6, 2004

• #1

I am currently running with O/R H pipes(2 1/2 inches) and American Thunder Cat back system. The tails are 3inches and the mufflers are 4 inches ( I think). My only other modes are K&n air filter and 3.73's. If this is hurting me what can I do to get my performace back? Any help would be greatly appreciated.

 

95CobraStang

Member

Jan 21, 2004

281

1

18

Chico, CA

May 6, 2004

#2

• May 6, 2004

• #2

I really don't see anything wrong there.....3.73s are money!!....did u lose torque on the loss of back pressure or something? I know my car feels like it gains more when the o/r h pipe is on.....i dunno

 

Silver95Stint

New Member

Oct 28, 2003

350

0

0

England

May 6, 2004

#3

• May 6, 2004

• #3

I don't know it just feels like I'm losing horsepower and I don't know why. I was told that the exhaust could be to wide open and it's not good for our cars because our engines work mostly off back pressure.

 

Smeckel

New Member

Jun 27, 2001

751

0

0

Meriden, CT

May 6, 2004

#4

• May 6, 2004

• #4

You really shouldnt have to go larger than 2.5" mid-pipe and catback unless you're well over 400hp. I seriously doubt you have 4" openings on your muffler, but you may be loosing alittle with the 3" tips. I say just open up the intake side of your engine and you'll get that power back.

 

Joes95GT

New Member

Jan 23, 2003

3,132

1

0

Delaware

May 6, 2004

#5

• May 6, 2004

• #5

You would be loosing significant torque if you indeed were using a 4" muffler, but I truly doubt you are. Did you buy the catback system as a kit? If so, the mufflers should be 2 1/2"; the same as the pipe diameter.

Joe