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The MagnaFlow 4" X 9" Oval Straight-Through 11386 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill
5 oz catch can
By installing a heavy duty Skyjacker Track Bar
resulting in significant changes to the ride performance of your vehicle
We also ditched the need for a sight glass or tube by incorporating a cold-fill line within the internal baffling
BD Diesel Driver Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8 Tires>Motorcycle Tires - Off Road The MagnaFlow 4" X 9"Experience unparalleled performance and durability with our enhanced GMC Chevrolet truck exhaust manifolds, specifically designed for LS engines. Our BD upgraded manifolds address common exhaust manifold bolt failures by incorporating extended fasteners and spacers that effectively withstand thermal expansion. In addition, we've engineered adjusted mounting locations for the heat shield. Crafted with precision, our BD Manifolds boast a robust, thicker
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