10-11-2014, 07:56 PM
on a old derv engine proper tube mani probably wont make much of a difference.. plenty of people running big power on a extention pipe from stock turbo manifold.
doenst mean dont do it tho! im planning to build one and ash on here is currently building one too
doenst mean dont do it tho! im planning to build one and ash on here is currently building one too