Automotive Parts and Accessories: Flowmaster 42543 40 Series Muffler - 2.50 Offset IN / 2.50 Offset OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 430402 40 Series Muffler - 3.00 Center IN / 2.50 Dual OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 42443 40 Series Muffler - 2.25 Offset IN / 2.25 Offset OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 8042543 40 Series Muffler 409S - 2.50 Offset IN / 2.50 Offset OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 43043 40 Series Muffler - 3.00 Offset IN / 3.00 Offset OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 42441 40 Series Muffler - 2.25 Offset IN / 2.25 Center OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 8525454 Super 40 Series 2.50" Dual In and Out 16 Gauge 409S Stainless Steel Exhaust System - Flowmaster
Automotive Parts and Accessories: Flowmaster 8042441 40 Series Muffler 409S - 2.25 Offset IN / 2.25 Center OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 9525454 Super 40 Muffler - 2.50 Dual IN / 2.50 Dual OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 9530452 Super 40 Muffler - 3.00 Center IN / 2.50 Dual OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 953047 Super 40 Muffler - 3.00 Center IN / 3.00 Offset OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 8043041 40 Series Muffler 409S - 3.00 Offset IN / 3.00 Center OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 953045 Super 40 Muffler - 3.00 Center IN / 3.00 Center OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 8042443 40 Series Muffler 409S - 2.25 Offset IN / 2.25 Offset OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 952545 Super 40 Muffler - 2.50 Center IN / 2.50 Center OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 952547 Super 40 Muffler - 2.50 Center IN / 2.50 Offset OUT - Aggressive Sound - Flowmaster
Automotive Parts and Accessories: Flowmaster 853046 Super 40 Series 3.00" Offset In and Center Out 16 Gauge 409S Stainless Steel Exhaust System - Flowmaster
Automotive Parts and Accessories: Flowmaster 8530452 Super 40 Series 3.00" Center In and 2.50" Dual Out 16 Gauge 409S Stainless Steel Exhaust System - Flowmaster
Automotive Parts and Accessories: Flowmaster 952445 Super 40 Muffler - 2.25 Center IN / 2.25 Center OUT - Aggressive Sound - Flowmaster
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Original 40 Series Flowmaster Popular Q&A
Q: Would dual cherrybomb glasspacks be louder then dual original 40 ...
A: You really can't get a loud rumble sound from a V6, but you can get a decent exhaust note using the Pypes true duel system for a V6, which uses a violator muffl... Read More »
Q: Does anyone know how much original 40 series flowmasters run apie...
A: $69.95 at summit racing Read More »
Q: What is the difference between a flowmaster 40 original series an...
A: The difference between the Read More »
Q: Does an X or H-Pipe work/sound best with Original 40 Series Flowm...
A: The differences are minimal - I think the H-pipe is better for torque, and the X is better for HP. But we're talking about only a few hp's or ftlbs. I think the... Read More »
Q: What is inside the Flowmaster 40 series?
A: With 3 internal baffles in the case, welded to exacting specifications, Read More »