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Showing 25–48 of 339 results

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  • Flowmaster Super 44 Series Chambered Muffler
    SKU: 942547
    • Delta Flow® technology delivers Flowmaster’s most aggressive, deepest four-inch case street muffler sound
    • 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • High-temperature paint finish stands up to the heat of street and strip driving
    • Universal fitment with a compact 9.50-inch body and 2.50-inch inlet for flexible installation
    • Purpose-built for Street/Strip vehicles that demand a powerful, rich exhaust tone
  • Flowmaster Force II Cat-back Exhaust System
    SKU: 17229
    • Delivers improved throttle response, power, and mileage with a moderate, non-intrusive tone
    • Built from large 3.00-inch aluminized steel tubing and includes a 70 Series Big Block II muffler (PN 53073)
    • Especially recommended for towing applications thanks to its efficiency-focused, mild-to-moderate sound
    • Angle-cut tailpipe lets you finish the look with your own choice of exhaust tip (sold separately)
    • CARB (California) compliant and fits both 2WD and 4WD models on 133, 155, or 168.4-inch wheelbases
    • Easy fit with all necessary parts, hardware, and U-Bolt clamping included
  • Exhaust Muffler
    SKU: 74163
    • Straight-through 4.0-inch stainless steel perforated core delivers strong flow with a deep, mellow, moderate tone
    • Fully MIG-welded 409 stainless steel construction with embossed Flow FX logos for show-quality durability and looks
    • Reversible internal design installs in either direction to fit your specific vehicle application
    • Compact 6-inch diameter body makes packaging easy while suiting large displacement gas engines
    • Show-quality performance muffler at an economical price point
  • Flowmaster Super 50 Series Chambered Muffler
    SKU: 524553
    • Larger case size significantly reduces interior resonance for a deep, rich tone with a mild sound level
    • Engineered to deliver both mileage and power gains on trucks, SUVs, and performance vehicles
    • Built from 16-gauge aluminized steel and fully MIG welded for maximum durability
    • High-temperature paint finish stands up to underbody heat and the elements
    • Universal fitment with a 2.25″ dual inlet for flexible exhaust system integration
    • Delta Flow® chambered design originally built for trucks and SUVs, also suited to muscle car applications
  • Flowmaster 50 Series Delta Flow Chambered Muffler
    SKU: 9425502
    • Three-chamber Delta Flow® design with an internal tuning chamber to cut down interior resonance
    • Moderate sound level: aggressive exterior tone with a quieter, more livable cabin
    • Built from 16-gauge aluminized steel and fully MIG welded for maximum durability
    • High-temperature paint finish stands up to demanding exhaust heat
    • 2.50″ inlet with dual outlet and universal fitment for flexible exhaust routing
    • Ideal for late-model muscle cars wanting performance sound without highway drone
  • Flowmaster Super 44 Series Chambered Muffler
    SKU: 942548
    • Delta Flow® technology delivers Flowmaster’s most aggressive, deepest four-inch case street muffler tone
    • 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • High-temperature paint finish stands up to heat and the elements
    • Universal fitment with a 2.50-inch inlet and 9.50-inch body width for flexible installs
    • Tuned for street/strip vehicles that demand a rich, powerful exhaust note
  • Flowmaster 50 Series Delta Flow Chambered Muffler
    SKU: 942551
    • Three chamber Delta Flow® design with an internal tuning chamber cuts interior resonance while keeping an aggressive exterior tone
    • 16 gauge aluminized steel, fully MIG welded construction for maximum durability
    • High-temperature paint finish resists the extreme heat of the exhaust system
    • Universal fitment with a 2.50 inch inlet for flexible street/strip builds
    • Moderate sound level delivers Flowmaster performance with less cabin drone
  • Flowmaster 50 Series Delta Flow Chambered Muffler
    SKU: 942553
    • Delta Flow® three-chamber design with an internal tuning chamber cuts interior resonance for a quieter cabin
    • Delivers the same performance and exterior tone as the two-chamber version, just with less drone
    • 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • Universal fitment with a 2.50″ inlet gives installers flexibility across many exhaust setups
    • Moderate sound level tuned specifically for street/strip driving
  • Flowmaster 40 Series Delta Flow Chambered Muffler
    SKU: 9430402
    • Delta Flow® technology uses internal deflectors for increased scavenging, better performance, and reduced interior sound
    • Aggressive Flowmaster tone with milder exterior sound and less interior resonance than the standard 40 Series
    • Rugged 16-gauge aluminized steel construction, fully MIG welded for maximum durability
    • Universal fit with 3.00-inch inlet and dual outlet location for flexible custom exhaust builds
    • High-temperature paint finish helps protect against exhaust heat and the elements
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 17287
    • Delivers a deep, mellow, moderate tone from the 70 Series Big Block II muffler without excessive drone
    • Scavenger Series Y-collector and 3.00-inch mandrel-bent piping boost scavenging and torque
    • CARB (California) compliant and emissions-legal for street use
    • Bolt-on design uses factory hanger locations and includes all hardware for easy at-home installation
    • Custom-fit for 1996-1999 Silverado / Sierra 1500 with the 5.7L engine
    • Backed by Flowmaster’s 3-year Limited Warranty
  • Flowmaster 40 Series Delta Flow Chambered Muffler
    SKU: 943041
    • Delta Flow® two-chamber design with Delta deflectors for increased scavenging and better performance
    • Aggressive exterior tone with reduced interior resonance compared to the standard 40 Series
    • Heavy-duty 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • Universal fitment with a 3.00-inch inlet, ideal for custom street/strip exhaust builds
    • High-temperature paint finish helps protect the muffler in real-world driving conditions
  • Flowmaster American Thunder Crossmember-Back Exhaust System
    SKU: 817129
    • True dual crossmember-back system with a built-in H-pipe crossover for balanced flow and tone
    • 16-gauge mandrel-bent stainless steel tubing for durability and unrestricted exhaust flow
    • Super 44 Series mufflers (P/N 842546) deliver a moderate to aggressive interior and exterior tone
    • Improves throttle response, power, and mileage — hallmark Flowmaster performance benefits
    • Includes all hangers and hardware for an easy, straightforward installation
    • CARB (California) compliant with a 2.50″ inlet and dual tail pipes
  • Flowmaster 40 Series Delta Flow Chambered Muffler
    SKU: 9430422
    • Delta Flow® two-chamber design with deflectors increases scavenging for better performance
    • Aggressive tone with milder exterior sound and reduced interior resonance versus standard 40 Series
    • 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • Universal fitment with 3.00″ inlet and dual outlet — ideal for classic muscle car builds
    • High-temperature paint finish protects against heat and the elements
  • Flowmaster 40 Series Delta Flow Chambered Muffler
    SKU: 943043
    • Delta Flow® two-chamber design increases scavenging for better performance while cutting interior drone
    • Milder exterior tone and reduced interior resonance compared to the standard 40 Series
    • Built from 16 gauge aluminized steel and fully MIG welded for maximum durability
    • High-temperature paint finish stands up to intense exhaust heat
    • Universal fitment with a 3.00″ inlet makes it a flexible choice for classic muscle car builds
  • Flowmaster 70 Series Chambered Muffler
    SKU: 524703
    • Delta Flow® technology and an enlarged case improve sound control while supporting mileage and power gains
    • Mild sound level makes it ideal for trucks, SUVs, RVs, tow vehicles, and high-performance street cars
    • 16 gauge aluminized steel construction with full MIG welds for maximum durability
    • High-temperature paint finish stands up to the heat of everyday exhaust duty
    • Universal fitment with dual 2.25-inch inlets for adaptable installation across a variety of builds
  • Flowmaster Flow FX Muffler
    SKU: 72579
    • Straight-through 3.00-inch stainless steel perforated core delivers efficient flow and a deep, mellow performance tone
    • Fully MIG-welded 409 stainless steel construction for show-quality looks and long-term durability
    • Reversible internal flow design installs in either direction to fit your vehicle’s offsets
    • Moderate sound level offers a distinct alternative to the chambered Flowmaster sound
    • Compact case size and economical price point make it easy to fit and easy to afford
  • Flowmaster Super 44 Series Chambered Muffler
    SKU: 943046
    • Delivers Flowmaster’s most aggressive, deepest sounding four-inch case street muffler tone
    • Delta Flow® technology carried over from the larger Super 40 series for proven performance
    • 16-gauge aluminized steel construction, fully MIG welded for maximum durability
    • Universal fitment with a compact 4-inch case and 3.00-inch inlet for flexible custom builds
    • High-temperature paint finish helps it stand up to real-world exhaust heat
    • Ideal for classic muscle car owners who want bold, unmistakable sound
  • Flowmaster Super 44 Series Chambered Muffler
    SKU: 943048
    • Delta Flow® technology delivers a powerful, rich, aggressive exhaust tone
    • Flowmaster’s deepest sounding, highest performing four-inch case street muffler
    • 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • High-temperature paint finish for lasting protection against heat
    • Universal fit with a 9.50″ body width—ideal for classic muscle car builds
  • Flowmaster 70 Series Chambered Muffler
    SKU: 52573
    • Delta Flow® technology and an enlarged case deliver improved sound control plus mileage and power gains
    • Mild sound level keeps your ride street-friendly without heavy interior drone
    • 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • Universal fitment with a 2.50″ inlet diameter for flexible installation
    • Ideal for trucks, SUVs, RVs, tow vehicles, and high-performance street cars
    • High-temperature paint finish stands up to exhaust heat
  • Flowmaster Super 44 Series Chambered Muffler
    SKU: 943049
    • Delta Flow® technology delivers Flowmaster’s most aggressive, deepest four-inch case street muffler sound
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Universal fitment with offset (same side) outlet for flexible custom installs
    • High-temperature paint finish resists heat and the elements
    • Compact four-inch case with a 9.50-inch body width fits a wide range of builds
    • Purpose-built for Street/Strip vehicles that demand an aggressive tone
  • Flowmaster 50 Series Delta Flow Chambered Muffler
    SKU: 943051
    • Three-chamber Delta Flow® design with an internal tuning chamber cuts interior resonance while keeping an aggressive exterior tone
    • Same performance and exterior sound as the two-chamber version, but with less cabin drone
    • 16 gauge aluminized steel, fully MIG welded for maximum durability and long life
    • Universal fitment with a 3.00″ inlet for flexible custom exhaust installations
    • High-temperature paint finish stands up to real-world exhaust heat
    • Moderate sound level ideal for classic muscle cars and street-driven builds
  • Flowmaster American Thunder Crossmember-Back Exhaust System
    SKU: 817158
    • True dual crossmember-back system with a built-in H-pipe crossover and Super 44 Series mufflers for an aggressive-to-moderate tone
    • Built from durable 16-gauge, 2.50-inch mandrel-bent stainless steel tubing for smooth, efficient flow
    • Delivers improved throttle response, power, and mileage
    • Includes all hangers and hardware needed for installation, with tailpipes that exit in the factory location
    • CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty
  • Flowmaster 50 Series Delta Flow Chambered Muffler
    SKU: 9430522
    • Delta Flow® three-chamber design adds an internal tuning chamber to cut interior resonance while keeping the aggressive exterior tone
    • Delivers the same performance and exterior sound as the two-chamber version, but with a quieter cabin
    • 16 gauge aluminized steel and fully MIG-welded construction for maximum durability
    • Universal fitment with a 3.00 in inlet and dual outlet for flexible custom exhaust builds
    • Moderate sound level tuned for street/strip driving
    • High-temperature paint finish stands up to heat and the elements
  • Flowmaster 50 Series Delta Flow Chambered Muffler
    SKU: 943053
    • Three-chamber Delta Flow® design with an internal tuning chamber reduces interior resonance for a quieter cabin
    • Same performance and exterior tone as the two-chamber version, but with less drone inside the vehicle
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Moderate sound level — aggressive outside, comfortable for daily driving
    • Universal fit with a 3.00-inch inlet, ideal for classic muscle car builds

Showing 25–48 of 339 results