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Author Topic: ORIGINAL EXHAUST MANIFOLD VS 4TO1 HEADER?  (Read 916 times)

Offline faigolfgti

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ORIGINAL EXHAUST MANIFOLD VS 4TO1 HEADER?
« on: 27 July 2004, 08:48 »
My mk1 gti stop rev at 5800rpm 5th gear,so i am wondering by changing to 4 to 1 header let the gas out from the engine faster will improve my top speed.Is it posible?