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best exhaust if i dont need any cats?

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Old 10-13-01, 02:32 AM
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best exhaust if i dont need any cats?
well where i live we have no emissions so i can have no cats
whats the best ?
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Old 10-13-01, 04:50 AM
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HKS HIPER
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Old 10-13-01, 04:52 AM
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n1 is bigger than the hiper and cheaper
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Old 10-13-01, 03:48 PM
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HKS hiper titanium racing exhaust with 4" piping from the downpipe back
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Old 10-13-01, 03:52 PM
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Greddy SP exhaust is the best with no cats.
I have tested most of the exhausts out there, and its the quietest.

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Old 10-13-01, 05:15 PM
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Originally posted by RX7 RAGE
HKS hiper titanium racing exhaust with 4" piping from the downpipe back
....someday i will buy that bastard.
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Old 10-16-01, 01:08 PM
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HKS hiper titanium all the way. "THE BEST"
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Old 10-20-01, 12:16 AM
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well the new HKS or the ASP Race exhaust (what i have) are the best if you don't need cats. Why because the mid pipe and exhaust are all one long straight pipe. Its also lighter than having both seperate.
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Old 10-20-01, 12:21 AM
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glassman what the hell is asp?
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Old 10-20-01, 12:34 AM
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It was a company (Kevin Wyum) that made parts for FDs he no longer makes any parts, but the parts were very nice. The M2 Intercoolers were ASP designs.
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Old 10-20-01, 12:35 AM
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how big of piping?
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Old 10-20-01, 12:38 AM
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Originally posted by RX-7 GT
how big of piping?
Its all 3" SS piping and muffler. I have a Borla XR1 with a 4.5" tip on instead of the Dynomax that was originally used (WAY TO LOUD)
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Old 10-20-01, 06:43 AM
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dynomax haaha yea im sure that didnt last long, probably blew to **** in a few months eh?
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Old 10-20-01, 11:09 AM
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Originally posted by RX-7 GT
dynomax haaha yea im sure that didnt last long, probably blew to **** in a few months eh?
The muffler it self was very nice quality. All SS, problem was it was so freaking loud! Just see how long it takes the cops to pull you over. Its a much more mellow tone now.
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