Quote:
Originally Posted by Red370
for some odd reason, the test pipes are either even or slightly less in the power making department. There are a few guys with full bolt ons, headers, intake, exhaust, hfc's making about 320-335whp, depending on the dyno, up from 275-285, that's pretty damn good I'd say! I think the average CAI, HFC, CBE combination nets about 30whp, not bad.
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What facts do you have to support this ? The majority of guys on here have hfc's . that's for sure but there is hardly any info on test pipes on here. Not one sound clip and i don't think a dyno either . Just because most people have hfc ESP in Cali doesn't mean test pipes are worse. I'd be willing to wager some funds that test pipes will make more power, not much but not any less. My vq35de gained almost 4whp going from hfc to test pipes.
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09 370Z 6M PW - FBO Best 1/4 mile = 12.926 @ 109 SOLD -- 08 BMW 135i - FBO 12.1@120mph SOLD -- white 09 e92 335 Coupe Mtech - 11.9 @ 119 :-)
Last edited by chuckd05; 10-22-2009 at 12:13 AM.
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