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Dump pipe on 4JB1T

Getting the best performance from your Isuzu, the in's and out's

Dump pipe on 4JB1T

Postby magicdeo » Mon Oct 26, 2015 8:18 pm

Hi all, I currently have a 2.5" exhaust on my 97 rodeo with the 4JB1T motor. It has the original dump pipe on it. Do you think it is worth fitting a bigger dump pipe or would I not notice much difference seeing as though I already have an exhaust upgrade? I wouldn't mind some easy power upgrades but I also don't want to waste money on something that won't make much difference.
Cheers!
magicdeo
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Re: Dump pipe on 4JB1T

Postby MrRevhead » Thu Oct 29, 2015 12:28 pm

Yep you will, the down pipe will be the restriction now
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