98_1LE
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- Join DateMay 2000
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Which 3" cat, w/o AIR, will make the most power on a modded TPI motor? It will be sandwiched between SLP 1.75" headers and a SLP 2OTL cat back.
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87 Formula 350 13.94@96.67
98 Z28 1LE 13.15@107.59
1LE Owners Association
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87 Formula 350 13.94@96.67
98 Z28 1LE 13.15@107.59
1LE Owners Association
98_1LE
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- Join DateMay 2000
- Posts:390
- iTrader Positive Feedback0
- iTrader Feedback Score(0)
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Anyone???
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87 Formula 350 13.94@96.67
98 Z28 1LE 13.15@107.59
1LE Owners Association
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87 Formula 350 13.94@96.67
98 Z28 1LE 13.15@107.59
1LE Owners Association
Senior Member
NONE!
Actually I heard that it is good to have a cat in tpi engines because they need back pressure is that right
Actually I heard that it is good to have a cat in tpi engines because they need back pressure is that right
Supreme Member
Catco are a cheap replacement. Although not the worse quality, i don't think that they are the best. They are stainless which is cool. I hear that Random Technologies have the best cat.. a little pricey though.
Senior Member
Random technology cats are best, but you are going to pay for it. They cost around $200-250, but flow almost equal to a strait pipe.
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Jim85IROC
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I have a 3" dynomax and I felt no difference between that and a straight pipe.
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The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah
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The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah



