89 civic Std cat
Would replacing my standard off the manifold cat with a test pipe result in more hp? Would this gain be worth it or should i replace it with a high flow further down the exhaust? Thanks
Im haveing a 2inch exhaust with a thrush turbo muffler put on monday. mpfi is on its way, my brothers room mate wrecked his crx si and said he would give it to me cheap.
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T--Rex
Honda CRX / EF Civic (1988 - 1991)
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Jul 31, 2004 02:05 PM



