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5L H4 F/I - All 2009 SUBARU IMPREZA WRX STI 2
6L V8 Diesel Engine All Models 2018 Chevrolet Silverado 2500 HD 6
By wrapping your exhaust headers and down pipes you decrease exhaust density and increase exhaust flow resulting in more power
150" internal orifice
Big Ford (Late) Bearing Housing End STH1137 Electrical 5L H4 F/I - AllBig Ford (Late) Bearing Housing EndSuit 1. 300" Wide Bearing With 3 8" Bolt Holes STH1137 H1137 Strange housing ends are machined from forged steel. These premium grade housing ends are ideal for new or narrowed housings, permitting an optimal mounting surface. Strange ends are designed to be easily butt welded.
