Flowmaster

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  • Flowmaster Header-Back System 67-69 GM F-body V8 (Mufflers not included) 1050

    Flowmaster Header-Back System 67-69 GM F-body V8 (Mufflers not included) 1050

    1050 Header-Back Kit
    $526.95
    1050 Header-Back Kit
    $526.95
  • Flowmaster Super 44 Muffler - 2.5 Dual In/2.5 Dual Out 8425454

    Flowmaster Super 44 Muffler - 2.5 Dual In/2.5 Dual Out 8425454

    8425454 Super 44 Muffler
    $96.85
    8425454 Super 44 Muffler
    $96.85
  • Flowmaster Super HP-2 Muffler - 2.50 Center In/2.50 Center Out 12512409

    Flowmaster Super HP-2 Muffler - 2.50 Center In/2.50 Center Out 12512409

    12512409 HP-2 Muffler
    $122.95
    12512409 HP-2 Muffler
    $122.95
  • Flowmaster Outlaw Series Race Muffler - 3.00 Center In/3.00 Center Out 15430S

    Flowmaster Outlaw Series Race Muffler - 3.00 Center In/3.00 Center Out 15430S

    15430S Outlaw Race Muffler
    $96.85
    15430S Outlaw Race Muffler
    $96.85
  • Flowmaster Super 40 Muffler - 3.00 Center In/2.50 Dual Out 8530452

    Flowmaster Super 40 Muffler - 3.00 Center In/2.50 Dual Out 8530452

    8530452 Super 40 Muffler
    $122.95
    8530452 Super 40 Muffler
    $122.95
  • Flowmaster 40 Series Muffler - 2.50 Center In/2.50 Offset Out 42542

    Flowmaster 40 Series Muffler - 2.50 Center In/2.50 Offset Out 42542

    42542 40 Series Muffler
    $81.55
    42542 40 Series Muffler
    $81.55
  • Flowmaster 40 Series Muffler - 2.50 Center In/2.25 Center Out 42442

    Flowmaster 40 Series Muffler - 2.50 Center In/2.25 Center Out 42442

    42442 40 Series Muffler
    $81.55
    42442 40 Series Muffler
    $81.55
  • Flowmaster 40 Delta Flow Muffler - 2.50 Offset In/2.50 Center Out 942541

    Flowmaster 40 Delta Flow Muffler - 2.50 Offset In/2.50 Center Out 942541

    942541 Delta Flow 40 Muffler
    $101.95
    942541 Delta Flow 40 Muffler
    $101.95
  • Flowmaster Outlaw Race Muffler - Short 2.50 Center In/2.50 Center Out 815425S

    Flowmaster Outlaw Race Muffler - Short 2.50 Center In/2.50 Center Out 815425S

    815425S Outlaw Race Muffler
    $113.95
    815425S Outlaw Race Muffler
    $113.95
  • Flowmaster Super 44 Muffler - 3.00 Center In/3.00 Offset Out 943047

    Flowmaster Super 44 Muffler - 3.00 Center In/3.00 Offset Out 943047

    943047 Super 44 Muffler
    $86.65
    943047 Super 44 Muffler
    $86.65
  • Flowmaster Super 44 Muffler - 2.50 Center In/2.50 Dual Out 9425472

    Flowmaster Super 44 Muffler - 2.50 Center In/2.50 Dual Out 9425472

    9425472 Super 44 Muffler
    $86.65
    9425472 Super 44 Muffler
    $86.65
  • Flowmaster Super 10 Muffler - 3.00 Offset In/3.00 Center Out 843016

    Flowmaster Super 10 Muffler - 3.00 Offset In/3.00 Center Out 843016

    843016 Super 10 Muffler
    $81.55
    843016 Super 10 Muffler
    $81.55
  • Flowmaster Super 44 Series Muffler - 2.5 Dual In/3.0 Center Out 8425453

    Flowmaster Super 44 Series Muffler - 2.5 Dual In/3.0 Center Out 8425453

    8425453 Super 44 Muffler
    $96.85
    8425453 Super 44 Muffler
    $96.85
  • Flowmaster Super 40 Muffler - 3.00 Center In/2.50 Dual Out 9530452

    Flowmaster Super 40 Muffler - 3.00 Center In/2.50 Dual Out 9530452

    9530452 Super 40 Muffler
    $112.95
    9530452 Super 40 Muffler
    $112.95
  • Flowmaster 50 Delta Flow Muffler - 2.50 Offset In/2.50 Offset Out 942553

    Flowmaster 50 Delta Flow Muffler - 2.50 Offset In/2.50 Offset Out 942553

    942553 Delta Flow 50 Muffler
    $112.95
    942553 Delta Flow 50 Muffler
    $112.95
  • Flowmaster Cat-Back System for 11-19 Silverado/Sierra 2500/3500 Crew Cab and Standard 6.5 Bed Models with 6.0L 817541

    Flowmaster Cat-Back System for 11-19 Silverado/Sierra 2500/3500 Crew Cab and Standard 6.5 Bed Models with 6.0L 817541

    817541 Cat-Back System
    $866.95
    817541 Cat-Back System
    $866.95
  • Flowmaster Universal Dual Exhaust Kit 3.00" - 16 Pieces 15937

    Flowmaster Universal Dual Exhaust Kit 3.00" - 16 Pieces 15937

    15937 U-Fit Exhaust Kit
    $362.95
    15937 U-Fit Exhaust Kit
    $362.95
  • Flowmaster 50 Delta Flow Muffler - 3.00 Center In/3.00 Center Out 943050

    Flowmaster 50 Delta Flow Muffler - 3.00 Center In/3.00 Center Out 943050

    943050 Delta Flow 50 Muffler
    $112.95
    943050 Delta Flow 50 Muffler
    $112.95
  • Flowmaster FlowFX Muffler - 2.25 Offset In/2.25 Offset Out 71235

    Flowmaster FlowFX Muffler - 2.25 Offset In/2.25 Offset Out 71235

    71235 FlowFX Muffler
    $42.22
    71235 FlowFX Muffler
    $42.22
  • Flowmaster Super 10 Muffler - 2.50 Center In/2.50 Offset Out 842512

    Flowmaster Super 10 Muffler - 2.50 Center In/2.50 Offset Out 842512

    842512 Super 10 Muffler
    $81.55
    842512 Super 10 Muffler
    $81.55
  • Flowmaster Super 44 Muffler 2.50 Center In/2.25 Dual Out 9425452

    Flowmaster Super 44 Muffler 2.50 Center In/2.25 Dual Out 9425452

    9425452 Super 44 Muffler
    $86.65
    9425452 Super 44 Muffler
    $86.65
  • Flowmaster 40 Delta Flow Muffler - 2.50 Offset In/2.50 Offset Out 942543

    Flowmaster 40 Delta Flow Muffler - 2.50 Offset In/2.50 Offset Out 942543

    942543 Delta Flow 40 Muffler
    $101.95
    942543 Delta Flow 40 Muffler
    $101.95
  • Flowmaster Super 40 Muffler - 2.50 Offset In/2.50 Center Out 952546

    Flowmaster Super 40 Muffler - 2.50 Offset In/2.50 Center Out 952546

    952546 Super 40 Muffler
    $101.95
    952546 Super 40 Muffler
    $101.95
  • Flowmaster Super HP-2 Muffler 2.50 Center In/2.50 Center Out 12518409

    Flowmaster Super HP-2 Muffler 2.50 Center In/2.50 Center Out 12518409

    12518409 HP-2 Muffler
    $152.95
    12518409 HP-2 Muffler
    $152.95
  • Flowmaster Cat-Back for 15-18 Charger and 15-16 Chrysler 300S 3.6L 817741

    Flowmaster Cat-Back for 15-18 Charger and 15-16 Chrysler 300S 3.6L 817741

    817741 Cat-Back System
    $996.95
    817741 Cat-Back System
    $996.95
  • Flowmaster FlowFX Muffler - 2.50 Offset In/2.50 Offset Out 71236

    Flowmaster FlowFX Muffler - 2.50 Offset In/2.50 Offset Out 71236

    71236 FlowFX Muffler
    $39.53
    71236 FlowFX Muffler
    $39.53
  • Flowmaster FlowFX Muffler - 3.00 Offset In/3.00 Center Out 71229

    Flowmaster FlowFX Muffler - 3.00 Offset In/3.00 Center Out 71229

    71229 FlowFX Muffler
    $39.21
    71229 FlowFX Muffler
    $39.21
  • Flowmaster Universal Dual Exhaust Kit 2.50" - 16 Pieces 15936

    Flowmaster Universal Dual Exhaust Kit 2.50" - 16 Pieces 15936

    15936 U-Fit Exhaust Kit
    $337.95
    15936 U-Fit Exhaust Kit
    $337.95
  • Flowmaster Super 40 Muffler - 2.50 Center In/2.50 Offset Out 952547

    Flowmaster Super 40 Muffler - 2.50 Center In/2.50 Offset Out 952547

    952547 Super 40 Muffler
    $101.95
    952547 Super 40 Muffler
    $101.95
  • Flowmaster Super 44 Muffler - 2.50 Center in/2.50 Offset Out 942547

    Flowmaster Super 44 Muffler - 2.50 Center in/2.50 Offset Out 942547

    942547 Super 44 Muffler
    $86.65
    942547 Super 44 Muffler
    $86.65
  • Flowmaster Super 44 Muffler - 3.00 Offset In/3.00 Center Out 943046

    Flowmaster Super 44 Muffler - 3.00 Offset In/3.00 Center Out 943046

    943046 Super 44 Muffler
    $86.65
    943046 Super 44 Muffler
    $86.65
  • Flowmaster 40 Series Muffler - 3.00 Center In/2.50 Dual Out 430402

    Flowmaster 40 Series Muffler - 3.00 Center In/2.50 Dual Out 430402

    430402 40 Series Muffler
    $81.55
    430402 40 Series Muffler
    $81.55
  • Flowmaster Super 44 Muffler - 2.25 Offset In/2.25 Offset Out 942448

    Flowmaster Super 44 Muffler - 2.25 Offset In/2.25 Offset Out 942448

    942448 Super 44 Muffler
    $86.65
    942448 Super 44 Muffler
    $86.65
  • Flowmaster Super 40 Muffler - 2.50 Dual In/2.50 Dual Out 9525454

    Flowmaster Super 40 Muffler - 2.50 Dual In/2.50 Dual Out 9525454

    9525454 Super 40 Muffler
    $112.95
    9525454 Super 40 Muffler
    $112.95
  • Flowmaster Super 50 Muffler - 2.25 Dual In/3.00 Center Out 524553

    Flowmaster Super 50 Muffler - 2.25 Dual In/3.00 Center Out 524553

    524553 50 Series Muffler
    $142.95
    524553 50 Series Muffler
    $142.95
  • Flowmaster 50 Delta Flow Muffler - 2.50 Offset In/2.50 Center Out 942551

    Flowmaster 50 Delta Flow Muffler - 2.50 Offset In/2.50 Center Out 942551

    942551 50 Series Muffler
    $112.95
    942551 50 Series Muffler
    $112.95
  • Flowmaster FlowFX Muffler 409S - 2.50 Offset In/2.50 Center Out 71226

    Flowmaster FlowFX Muffler 409S - 2.50 Offset In/2.50 Center Out 71226

    71226 FlowFX Muffler
    $40.11
    71226 FlowFX Muffler
    $40.11
  • Flowmaster Super 44 Muffler - 2.50 Offset In/2.50 Center Out 942546

    Flowmaster Super 44 Muffler - 2.50 Offset In/2.50 Center Out 942546

    942546 Super 44 Muffler
    $86.65
    942546 Super 44 Muffler
    $86.65
  • Flowmaster Super 10 Muffler 409S - 2.50 Offset In/2.50 Center Out 842516

    Flowmaster Super 10 Muffler 409S - 2.50 Offset In/2.50 Center Out 842516

    842516 Super 10 Muffler
    $81.55
    842516 Super 10 Muffler
    $81.55
  • Flowmaster Super 10 Muffler - 3.00 Center In/3.00 Center Out 843015

    Flowmaster Super 10 Muffler - 3.00 Center In/3.00 Center Out 843015

    843015 Super 10 Muffler
    $81.55
    843015 Super 10 Muffler
    $81.55

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Flowmaster Exhaust Systems

Replace your worn-out exhaust and upgrade to the latest high-performance technology while you’re at it by choosing Flowmaster. The company was born in 1982 in response to growing complaints about engine noise at race tracks, especially from Sprint Cars. By successfully cutting noise without cutting performance, Flowmaster ushered in a new era of performance automotive exhaust systems. Now part of the Holley auto family, they continue to push exhaust technology to the limits for racing, street cars and those who want to customize their rides.


High-Performance Mufflers

The aftermarket mufflers that first made Flowmaster famous remain their leading product to enhance your ride. Eastwood offers the original 40 series high-performance muffler in several sizes to fit your tailpipes. Each muffler is made of 16-gauge aluminized steel or 409S stainless steel that is fully MIG welded for added durability. And while Flowmaster got its start by reducing noise, you now can enjoy an aggressive sound with excellent exterior and interior resonance that will get you noticed on the street, at the drag strip or when you’re off-roading.


American Thunder Exhaust Parts

Make every part of your exhaust system flow to the max with Flowmaster American Thunder header and tailpipe kits. In addition to general exhaust parts, they also make vehicle-specific systems for restoring or upgrading. The Flowmaster American Thunder system is available for the Chevy Camaro, Ford Mustang, GM C10 and other classics. Choose from header-back systems, crossmember-back systems, single-exit exhausts, dual-exit exhausts and other designs. They are a direct OE replacement that gives you even more eye-catching horsepower and ear-catching sound.


Turn Up the Energy

Your car will never feel tired when it has the best Flowmaster exhaust and muffler systems. Everything they sell comes with a three-year limited warranty for your peace of mind as you hit the throttle. You’ll also receive lifetime technical support from the Eastwood DIY experts who are here to help you do the job right.