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Adding a catback exhaust loses power ?

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  #11  
Old 08-31-2006, 07:49 PM
Remmy's Avatar
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Default RE: Adding a catback exhaust loses power ?

ORIGINAL: pWnEdU

You loose some torque with an exhaust, but most mods that increase HP sacrifice some torque.

On a naturally aspirated engine, 2.5" or greater MAY actually loose some power because the exhaust velocities are so low.

anything OVER 2.25 without internals will lose power.
 
  #12  
Old 08-31-2006, 08:43 PM
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Default RE: Adding a catback exhaust loses power ?

Who needs exhaust? Open downpipe baby!
 
  #13  
Old 08-31-2006, 09:18 PM
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Default RE: Adding a catback exhaust loses power ?

dun rub it in pete...hahah
 
  #14  
Old 08-31-2006, 11:24 PM
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Default RE: Adding a catback exhaust loses power ?


ORIGINAL: Remmy

ORIGINAL: pWnEdU

You loose some torque with an exhaust, but most mods that increase HP sacrifice some torque.

On a naturally aspirated engine, 2.5" or greater MAY actually loose some power because the exhaust velocities are so low.

anything OVER 2.25 without internals will lose power.
I got 2.5 inch exhaust on my 99 si so i actually am losing power? would the intake help it or not.
 
  #15  
Old 09-01-2006, 12:30 AM
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Default RE: Adding a catback exhaust loses power ?

If I add an axleback exhaust instead of a catback will i still lose power ? w/ kind of exhaust upgrade (if any) would you suggest if i wanted to increase horsepower?
 
  #16  
Old 09-01-2006, 07:05 PM
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Default RE: Adding a catback exhaust loses power ?

A full catback (with cat and header is even better) will net an increase in power.

Use the search function.
 
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