MagnaFlow Muffler Trb SS 4X9 14 3/3.0 Lights>Bulbs GFB's DV plus design solves

GFB's DV plus design solves the longevity and boost leaking issues that are common with factory diverter valves

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48in - Alum LW - 6/4 Grv - LSA - 09-15 Cadillac CTS-V (Excl SC Pulley)

ISR Performance Series II - MBSE Rear Section Only - BMW E36

MagnaFlow Muffler Trb SS 4X9 14 3/3.0 Lights>Bulbs GFB's DV plus design solvesMagnaFlow XL Mufflers use a unique combination of large diameter perforated tubing and strategically placed sound baffles to reduce unwanted resonance and help your engine create horsepower. The sound baffles tune the sound waves using calibrated tuning gate openings that allow portions of the waves to pass through. These tuned waves reflect off the back wall of the muffler and cancel out unwanted harsher sounds. The large diameter perforated core