Tuning What branch is best

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Tuning What branch is best

Zian

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Apr 6, 2020
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I want to fit new branch on car, can get 4-1 branch will that be better thank stock 4-2-1 manifold?
 
Wouldn't the top end be better? Have lifted the compression ratio and ported head. So wouldn't it give a few extra ponies. Currently revving car to 6k but loses alot of power after 5k revs. Also think car has air or fuel starvation. So any help, will help allot.
 
after market 4-2-1 would be better for road and 6-7000rpm but get yours down rollers to sort out fuel before you do damage if its running lean
 
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