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3.5" Single Or Twin Dump

azz80
in Exhaust Workshop

Featured Replies

hi all, I have read that single 4" dump is for top-end, and that's all good, but I'm more interested in low down torque! What would you recommend? Twin 3.5" or single 3.5"?

It's for a mild setup with ~300rwkw's.

cheers

In my experience the twin dumps are better, but not enough to justify the extra cost.

Exhaust and wastegate ports aren't segregated, if you where too install a fence (or if the dump has one fitted it may be worthwhile), but too be honest in ant pick the differed cain low down torque between a single 3.5 and a 4!

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