Looking for proof of Comptech 4-2-1 power gains in stock R (the 2.25' one)
Anyone got a link to proven Comptech 4-2-1 Header power gains. Looked for Great Header Test but can't find a link that works. Trying to decide whether its worth the money. I wanna stick to stock size bolt-on performance so don't mention the JDM 4-1 or anyhting else with a 2.5 in. collector. I know the powers gains are much better but please....try to stick to topic.
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Acura Integra Type-R
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Apr 7, 2003 10:46 PM




