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Jan 7, 2005 | 11:36 AM

Graybr

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From: Aldershot and Bodmin

Headers Q

this is prob a very lame/stupid Q but the worst is one never asked - i know where they are but what do they do to improve performance by upgrading, is it the materials used or diameters etc

cheers G

Jan 7, 2005 | 11:47 AM

DeanF

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Quote:

Originally Posted by Graybr

this is prob a very lame/stupid Q but the worst is one never asked - i know where they are but what do they do to improve performance by upgrading, is it the materials used or diameters etc

cheers G

Generally the dia & the flow as they have an exhaust pipe for each cylinder & not two exits into 1 Etc, combined with an up-pipe & other supporting Mods they can give V impressive gains in power & Torque.

Dean