Flowmaster Mufflers

Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

FLOWMASTER 42443
FLOWMASTER 40 Series Muffler 42443
$108.75 $127.94
SKU FLO42443
  • 4"H x 9.75W x 13" L
  • Inlet position Offset
  • Outlet position Offset
FLOWMASTER 43043
FLOWMASTER 40 Series Muffler 43043
$110.00 $133.76
SKU FLO43043
  • Body height 4"
  • Body width 9.75"
  • Outlet position Offset
FLOWMASTER 943046
FLOWMASTER Super 44 Series Muffler 943046
$125.00 $143.00
SKU FLO943046
  • Body height 4"
  • Body width 9.75"
  • Inlet position Offset
FLOWMASTER 524554
FLOWMASTER 50 Series Muffler 524554
$215.00
SKU FLO524554
  • Body width 10"
  • Body height 5"
  • Aluminized Steel