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Installing Headers (NA) - Twin Turbo Zs of Dallas
on 18 Nov 2007 by admin author list
Stillen Header Installation for NAs:   Probably the toughest bolt-on performance upgrade for NAs is the Stillen header set. Headers try to allow each cylinder to be 'equidistant' from the collector right before the flange to the rest of the exhaust system. (1.) Where the stock manifolds allow cylinders 5 & 6 (the rear two) to have the shortest path [read more]