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Flowmaster Original 40 Series Muffler
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FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 2.50 Offset In / 2.50 Center Out - Aggressive Sound$101.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound$101.95
TrendingFlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 2.25 Offset In / 2.25 Center Out - Aggressive Sound$101.95
Trending$101.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 3.00 Offset In / 3.00 Center Out - Aggressive Sound$101.95
TrendingFlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 2.50 Dual In / 3.00 Center Out - Aggressive Sound$101.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series Stainless Steel - 3.00 Offset In / 3.00 Center Out - Aggressive Sound$135.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound$101.95
Trending$101.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 3.00 Center In / 2.50 Dual Out - Aggressive Sound$101.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound$101.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series Stainless Steel - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound$135.95
$101.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series Stainless Steel - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound$135.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series Stainless Steel - 3.00 Center In / 2.50 Dual Out - Aggressive Sound$135.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series Stainless Steel - 2.50 Offset In / 2.50 Center Out - Aggressive Sound$135.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series Stainless Steel - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound$135.95
FlowmasterFlowmaster 40 Series Chambered Muffler 40 Series Stainless Steel - 2.25 Offset In / 2.25 Center Out - Aggressive Sound$135.95
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40 Series Original
The Flowmaster 40 Series Muffler is the original high-performance exhaust upgrade that revolutionized the muscle car sound. Known for its aggressive tone and deep, throaty rumble, this street and strip muffler is ideal for enthusiasts who want to be heard. The 40 Series delivers the unmistakable "Flowmaster sound" that defines American muscle. Whether you're driving a classic muscle car or a modern performance vehicle, the Flowmaster 40 Series Muffler is for you!