Aggressive

Showing 25–48 of 278 results

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SKU
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  • 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 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 American Thunder Cat-back Exhaust System
    SKU: 17392
    • Aggressive NASCAR-inspired tone from the included Super 40 Series performance muffler for a deep, powerful sound
    • D.O.S.S. dual-out-same-side design with dual 2.50-inch tailpipes and polished 3.00-inch stainless steel tips
    • 3.00-inch mandrel-bent aluminized steel tubing keeps flow smooth and consistent through every bend
    • CARB (California) compliant with Emission Code 5 for street-legal peace of mind
    • Complete kit includes the muffler, all hardware, and instructions, backed by a 3-year Limited Warranty
    • Fits 2WD and 4WD standard cab / short bed trucks on a 119-inch wheelbase
  • 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 American Thunder Cat-back Exhaust System
    SKU: 17395
    • Delivers a deep, aggressive interior and exterior tone through a Super 40 Series performance muffler
    • Complete cat-back kit with 3.00-inch mandrel-bent aluminized steel tubing, dual 2.50-inch tailpipes, and polished stainless tips
    • D.O.S.S. dual-out-same-side design for the aggressive look of a NASCAR race truck
    • CARB (California) compliant and backed by a 3-Year Limited Warranty
    • Includes all necessary U-Bolt hardware and instructions for installation
    • Fits both 2WD and 4WD extended cab/short bed models on a 143.5-inch wheelbase
  • 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 American Thunder Cat-back Exhaust System
    SKU: 17398
    • D.O.S.S. dual-out-same-side design gives your truck the aggressive look of a NASCAR race truck
    • Super 40 Series muffler delivers a moderately aggressive exterior sound with a moderate interior tone
    • Mandrel-bent aluminized steel tubing supports improved throttle response, power, and mileage
    • Dual 2.50-inch tailpipes finished with large 3.00-inch polished stainless steel tips
    • Includes all necessary parts and U-Bolt hardware for a quick, easy bolt-on installation
    • CARB (California) compliant for street-legal peace of mind
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 952445
    • Delta Flow® technology delivers strong performance with reduced interior resonance and drone
    • Deep, aggressive sound derived from the classic Original 40 Series character
    • Larger case profile ideal for forced induction and high-horsepower vehicles
    • 16-gauge aluminized steel, fully MIG welded for maximum durability
    • Universal 2.25″ inlet design fits a wide range of street/strip builds
  • Flowmaster Flow FX Extreme Cat-Back Exhaust System
    SKU: 717968
    • Deep, aggressive exhaust tone and increased performance from the Flow FX series muffler
    • Turndown dump exit removes the over-axle tailpipe to improve ground clearance and departure angle off-road
    • Durable 3.0-inch mandrel-bent 409 stainless steel tubing built for maximum exhaust flow
    • Direct-fit design uses factory hanger locations with all hardware included for easy installation
    • CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty
    • Purpose-built for 2007-2018 Jeep Wrangler JK models with the 3.6L or 3.8L engine
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 952448
    • Delta Flow® technology delivers strong exhaust flow while cutting interior resonance and drone
    • Larger case profile excels on forced induction and high horsepower muscle cars
    • Deep, aggressive sound inspired by the Original 40 Series
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Universal fitment with a 2.25″ inlet for flexible custom exhaust builds
    • Race-bred design derived from Flowmaster’s Top Ten muffler lineup
  • Flowmaster Flow FX Extreme Cat-Back Exhaust System
    SKU: 717970
    • Deep, aggressive Flow FX muffler tone with increased performance for the 2016-2023 Tacoma 3.5L
    • 3.0-inch mandrel-bent 409 stainless steel tubing delivers maximum exhaust flow and long-term durability
    • Turndown dump exit eliminates the over-axle tailpipe to boost ground clearance and departure angle off-road
    • Bolts to factory hanger locations with all necessary hardware included for an easy install
    • CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty
  • Flowmaster Flow FX Extreme Cat-Back Exhaust System
    SKU: 717972
    • Turndown dump exit eliminates the over-axle tailpipe to improve ground clearance and departure angle off-road
    • Dyno-proven gains of 4 hp and 5 lb-ft at the rear wheels
    • 3.00-inch mandrel-bent 409 stainless steel tubing for maximum flow and lasting durability
    • Aggressive Flow FX series muffler delivers a bold, performance-tuned sound
    • Bolts on using factory hangers with all necessary hardware included for easy installation
    • CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 952547
    • Delta Flow® technology delivers strong performance with an aggressive, deep exhaust tone
    • Larger case profile balances power and sound while reducing interior resonance
    • 16-gauge aluminized steel construction, fully MIG welded for maximum durability
    • Universal fitment with a 2.50″ inlet for flexible custom and classic muscle car builds
    • High-temperature paint finish helps protect against heat and the elements
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 952546
    • Delta Flow® technology delivers a deep, powerful sound with low interior resonance
    • 16-gauge aluminized steel, fully MIG welded for maximum durability
    • Larger case profile combines performance flow with an aggressive tone
    • Universal fitment with a 2.50″ inlet for flexible custom exhaust builds
    • Ideal choice for classic muscle car exhaust setups that need attitude
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 953045
    • Delta Flow® technology delivers strong performance with low interior resonance
    • Deep, aggressive sound rooted in the classic 40 Series character
    • 16-gauge aluminized steel, fully MIG welded for maximum durability
    • Larger case profile balances performance and sound
    • Universal fit with a 3.00″ inlet for flexible custom or replacement builds
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 9530452
    • Delta Flow® technology delivers strong performance with low interior resonance
    • Deep, powerful, aggressive sound rooted in the classic 40 Series character
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Universal fit with a 3.00″ inlet and dual outlet for flexible system builds
    • High-temperature paint finish stands up to exhaust heat
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 952548
    • Delta Flow® technology balances strong performance with lower interior resonance
    • Larger case profile produces a deep, powerful, aggressive exhaust tone
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Universal fitment with a 2.50″ inlet for flexible custom or replacement builds
    • High-temperature paint finish built to handle exhaust heat
    • Purpose-built for street/strip vehicles that demand sound and flow
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 953046
    • Delta Flow® technology delivers a deep, aggressive tone with real performance benefits
    • Larger case profile reduces low interior resonance for a cleaner in-cabin sound
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • High-temperature paint finish stands up to heat and the elements
    • 3.00 inch inlet with universal fitment for flexible exhaust builds
    • Engineered for Street/Strip applications with an unmistakable, powerful note
  • Flowmaster Flow FX Extreme Cat-Back Exhaust System
    SKU: 717980
    • Deep, aggressive exhaust tone from the tuned Flow FX series muffler with increased performance
    • 3.0-inch mandrel-bent 409 stainless steel tubing for maximum flow and long-term durability
    • Turndown dump exit eliminates the over-axle tailpipe to improve ground clearance and departure angle off-road
    • Bolts up using factory hangers and mounting locations with all hardware included for easy installation
    • Fits 2009-2014 Ford F-150 with 3.5L EcoBoost, 4.6L, 5.0L, and 5.4L engines and is CARB compliant
    • Backed by Flowmaster’s Lifetime Limited Warranty
  • Flowmaster Flow FX Extreme Cat-Back Exhaust System
    SKU: 717983
    • Aggressive-to-moderate exhaust note from the Flow FX series muffler gives your Tundra a deeper, purposeful sound
    • Dyno-proven gains of 5 hp and 6 lb-ft of torque at the rear wheels
    • Turndown dump-exit design eliminates the over-axle tailpipe for better ground clearance and departure angle off-road
    • 3.00-inch mandrel-bent 409 stainless steel tubing for maximum flow and long-term durability
    • Uses factory mounting locations with all hardware included for an easy bolt-on install
    • CARB compliant and backed by Flowmaster’s Lifetime Limited Warranty
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 9530462
    • Delta Flow® technology balances strong performance with a deep, aggressive exhaust note
    • Larger case profile delivers powerful Super 40 sound with low interior resonance
    • 16-gauge aluminized steel, fully MIG welded for maximum durability
    • Universal fit with 3.00″ inlet and dual outlet for flexible custom builds
    • High-temperature paint finish helps protect the case underneath the vehicle
    • Rated for 4/6 cylinder engine applications
  • Flowmaster Flow FX Cat-Back Exhaust System
    SKU: 717929
    • Aggressive Flow FX “straight-through” muffler tuned for a deep performance sound and maximum flow
    • Durable 409 stainless steel construction with 3.0-inch to dual 2.50-inch mandrel-bent pipes
    • Dual 4.0-inch black ceramic-coated 304S stainless tips with laser-etched Flowmaster logo
    • Bolt-on install using all factory hanger locations, with instructions and hardware included
    • CARB (California) compliant and backed by Flowmaster’s lifetime Limited Warranty
    • Specifically engineered for 2009-2013 GM Silverado/Sierra 1500 5.3L trucks
  • Flowmaster Super 40 Series Chambered Muffler
    SKU: 953047
    • Delta Flow® technology delivers strong performance with low interior resonance
    • Deep, powerful, aggressive exhaust tone from the larger case profile
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • High-temperature paint finish stands up to constant heat cycling
    • Universal 3.00″ inlet fit for flexible custom street/strip exhaust builds

Showing 25–48 of 278 results