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Removed cat... - Printable Version

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- Ripp87Turbo - 08-27-2008

Hi, I own an '87 951

I recently removed the cat from my exhaust and replaced it with a steel straight pipe.

I was told by someone that this was the completely wrong thing to do and that the car won't run right due to incorrect backpressure. I think otherwise.  I would like an opinion of whoever cares to respond. Much appreciated.



- STEVEMCMORN - 08-28-2008

Oh - sorry - can't help .... I only openned this topic as was ex[pecting to see some cool pictures from summittConfusedhock:


- Larry Herman - 08-28-2008

Your "otherwise" thinking is correct.  Your car has plenty of backpressure with the turbo itself, and any further back pressure beyond that merely hurts performance.

FWIW we put a Fabspeed 3" exhaust (no cat) on my son's 951 and it really woke it up. Smile



- michael lang - 08-28-2008

+ you gotta love the extra noise it makes Big Grin