wanted to know what size piping does the 3 stage vtec uses,have extractors 4-2-1.Is it the same as the D15B non vtec? any advice/ help would be much appreciated. 731-3323
Last edited by jude on February 6th, 2014, 10:36 pm, edited 1 time in total.
i,ve got a 3stage vtec with manual s20 zc gearbox in my hatch, i have stock vtec manifold with 2" piping,strait-through trush resonator with 2.25 axle-back cannister muffler. gives great performance,got no complaints .