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post Jul 11, 2006 - 11:20 AM
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bigal004321



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Does it hurt airflow to go from a 3in aussie DP to a 2.5" exhaust? I mean it must be better than the restrictive CAT on the DP already. But i heard it is bad to switch diameters of the pipe, any answers?

bigal


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1994 celica GT.....3sgte in a month! all helpers are welcome!!! i live in Plattsburgh, NY.

 
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post Jul 11, 2006 - 12:03 PM
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lagos



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QUOTE(CilverSeliST205 @ Jul 11, 2006 - 12:47 PM) [snapback]454566[/snapback]

QUOTE(presure2 @ Jul 11, 2006 - 12:41 PM) [snapback]454563[/snapback]

yes, KO racing makes a nice 2.5" DP


Yea i remember that KO provided a valid argument why 2.5" is better than 3" on sub 300 hp level, doesnt that contradict the whole "no exhaust is the best exhaust for turbo cars" argument?



they were just trying to push their product. on a turbo car, bigger is better.

the only benefit i can see to a 2.5in is that it it will probably be less likely to give you boost creep issues.


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