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The MagnaFlow 4" X 9" Oval Straight-Through 11226 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill
the S1 rock guards are your answer
Front Lift Method: Strut Spacers (reuse OE front struts)
your Duramax engine can quickly produce more stress and load than the factory rocker arm bridges were made to handle
Borla ATAK 3.5" Cat-Back Exhaust For 19-23 Chevy Silverado/GMC Sierra 1500 6.2L 1983-1991 mazda rx-7 1.3l The MagnaFlow 4" X 9"This 3. 5" into dual 2. 75" system features BORLA's aggressive ATAK muffler and Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean, rich, full bodied sound with no drone inside the vehicle. Replace the Polyphonic Harmonizer behind the muffler in this BORLA ATAK system with muffler 60679 to attain the S Type sound level
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