Proflow Muffler, 4.00 in, Black Compact Flow Chamber II, Side Inlet To 4.00 in. Brackets & Acc. Lucas Octane Booster is not

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Proflow Muffler, 4.00 in, Black Compact Flow Chamber II, Side Inlet To 4.00 in. Brackets & Acc. Lucas Octane Booster is notPart Number : PFEEM31610 Looking for a great sounding muffler that won't break the bank? Proflow's welded chamber mufflers offer many high end features at a budget price. These two chamber mufflers provide an aggressive exterior tone while eliminating the interior "drone" found in single baffle designs. Plus, the twin baffle design creates a scavenging effect to help pull the exhaust through the muffler, increasing horsepower and torque. They feature