Aftermarket c20xe 4-1 manifold, is it any good - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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sparcost3

Member

Registered: 21st Sep 09
Location: Stafford, Staffordshire
User status: Offline

7th Nov 13 at 13:23

The manufacturer claims the 4-1 manifold with larger bore that stays as 4 seperate outlets until under the engine rather than standard 4-2-1 gives an increase of 10bhp without any other modifications

I'd like to know if these manifolds are worth getting? I'm running an early Xe with a few upgrades like powercap, cosscast head and 10mm mag magnicor leads but internally standard. Will it make any diference or improvement?

Any improved response etc?

Any advice would be great

I don't want to buy if it does nothing

corsadonk

Premium Member

Registered: 4th Jul 09
Location: Marlborough, Wiltshire
User status: Offline

7th Nov 13 at 19:42

If it's one of the cheap stainless ones, steer clear. They sit too low for a start, and are a lot shorter than the standard so you'll have to fart about extending your exhaust again. You'll be better off holding out for a good second hand manifold, the Type C BTB is the one to go for.