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Old Mar 30, 2008 | 11:56 AM
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  #21  
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SONICBOOST
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From: Temecula,CA
Originally Posted by 70MACH1OWNER
Adam..The Prochamber legs are the same as stock.....2 1/2. But a good custom exhaust guy can make it work.
Scott

Yeah I think i'm just gonna get the mrt highflow cats and have them welded into my prochamber pipes, thanks Scoot..lol
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Old Mar 30, 2008 | 12:00 PM
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tom281
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From: Medina county, OH
Hey man, replacing factory cats with aftermarket cats will net you around 5 hp from what I understand.
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Old Mar 30, 2008 | 02:23 PM
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Originally Posted by tom281
Hey man, replacing factory cats with aftermarket cats will net you around 5 hp from what I understand.
Im doing it all for the sound Tom! Are the factory cats that resrticted?
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Old Mar 30, 2008 | 02:42 PM
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tom281
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From: Medina county, OH
Originally Posted by SONICBOOST
Im doing it all for the sound Tom! Are the factory cats that resrticted?
No, they are not that restrictive- that's why you'll gain minimal HP by replacing them.

Good luck!
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Old Mar 30, 2008 | 04:06 PM
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Oh, I thought 5hp was pretty decent for swapping cats... Thanks
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