Aggressive

Showing 97–120 of 278 results

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  • 67-70 Ford Mustang (289, 302, 390, 428, 429) Exhaust System Kit
    SKU: 17282
    • True dual crossmember-back design with a built-in H-pipe crossover for balanced flow and a stronger pull
    • Super 44 Series mufflers deliver a deep, moderate-to-aggressive tone you can hear inside and out
    • 16-gauge mandrel-bent aluminized steel with 2.50-inch dual tailpipes and a rear-bumper turndown
    • Improves throttle response, power and mileage over the factory system
    • Includes all hangers and hardware needed for installation
    • CARB (California) compliant and backed by a 3-year Limited Warranty
  • Chevrolet, GMC (6.0) Exhaust System Kit
    SKU: 17325
    • Complete American Thunder cat-back exhaust system with the dual-inlet 50 Series Big Block muffler included for a deep, powerful tone
    • Delivers a moderate interior tone with an aggressive exterior sound — heard without being obnoxious
    • Designed to improve throttle response, power, and mileage on your 6.0 Chevrolet/GMC truck
    • Tailpipe exits behind the right-side rear wheel, an ideal layout for towing
    • Finished with a large 3.50-inch polished 304 stainless steel tip embossed with the Flowmaster logo
    • CARB (California) compliant and uses factory hanger locations for an easy, bolt-on installation
  • Flowmaster American Thunder Crossmember-Back Exhaust System
    SKU: 17200
    • True-dual, crossmember-back design with all mandrel-bent 3.00-inch tubing for maximum flow and power
    • Dual Super 40 Series mufflers plus a built-in H-pipe crossover deliver a deep, aggressive exhaust note
    • Custom-bent tailpipes tuck high over the rear end and exit with a clean turn-down under the bumper
    • Complete kit includes U-bolt clamps, hardware, and hangers for a straightforward install
    • CARB (California) compliant with Emission Code 5, backed by a 3-year Limited Warranty
    • Stainless steel version available (PN 817200) with a Lifetime Limited Warranty for added durability
  • Flowmaster American Thunder Crossmember-Back Exhaust System
    SKU: 17202
    • True dual 3.00-inch mandrel-bent aluminized steel design maximizes exhaust flow and delivers a deep, aggressive muscle car tone
    • Super 40 Series mufflers in a large case are built to handle high horsepower while producing a muscular sound
    • Integrated H-pipe crossover balances exhaust pressures to add hp and torque and reduce deceleration back-rap
    • Improves throttle response, power, and mileage — the signature benefits of a Flowmaster system
    • CARB (California) compliant and includes all necessary parts and hardware for an easy bolt-on installation
    • Backed by Flowmaster’s 3 Year Limited Warranty
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 17212
    • Deep, aggressive sound from a matched pair of Super 44 Series mufflers with Delta Flow technology
    • Free-flowing 2.50-inch aluminized steel mandrel-bent inlet pipes and tailpipes for smoother exhaust flow
    • Bolt-on installation using factory hanger locations with all U-Bolt hardware and instructions included
    • Emissions legal and CARB (California) compliant for street-legal peace of mind
    • Dual tailpipes finished with long 2.50-inch polished 304 stainless steel tips for a show-car look
    • Fits 1994-1997 Mustang GT and Cobra 4.6L or 5.0L coupes and convertibles
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 17112
    • Bolt-on, emissions-legal cat-back designed for 1994-1997 Mustang GT and Cobra with the 4.6L SOHC or 5.0L engine
    • Delivers the iconic deep, aggressive 90s Mustang sound via a pair of Super 44 Series mufflers
    • 2.50-inch aluminized steel mandrel-bent tubing for smooth, free-flowing performance
    • Factory-style flanges and factory hanger locations make installation quick and easy
    • CARB (California) compliant and emissions legal for street use
    • Includes all necessary hardware and easy-to-follow instructions; fits coupes and convertibles
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 17116
    • Delivers a deep, powerful, aggressive tone from a pair of Super 44 Series mufflers
    • Mandrel-bent 2.50-inch aluminized steel pipes support improved throttle response, power, and mileage
    • Bolts on using factory exhaust hangers with all necessary parts and hardware included
    • Dual tailpipes exit straight out the back with a turn down at the lower valance for a clean look
    • CARB (California) compliant and backed by a 3-year Limited Warranty on aluminized steel systems
    • Fits 2WD Coupes and Convertibles, with an optional stainless steel version available
  • Exhaust Muffler
    SKU: 325108
    • Flowmaster 10 Series Delta Force single-chamber muffler with Delta Flow® technology for maximum race performance
    • Aggressive sound level built for racing applications with no set decibel limit
    • Low-profile 3.0-inch body height makes undercar packaging and clearance easier
    • 2.50-inch inlet with universal fitment for flexible custom exhaust builds
    • High-temperature paint finish stands up to hard use
    • Delivers a noticeable dB reduction compared to running open headers
  • Flowmaster Flow FX Extreme Cat-Back Exhaust System
    SKU: 718117
    • Deep, aggressive Flow FX muffler tone with increased performance over the restrictive factory exhaust
    • Turndown dump exit removes the over-axle tailpipe to boost ground clearance and departure angle off-road
    • 3.0-inch mandrel bent 409 stainless steel tubing for maximum flow and lasting durability
    • Bolts on using factory hangers and included hardware for a quick, straightforward install
    • CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty
    • Purpose-built fitment for 2021-2026 Ford F-150 with 2.7L, 3.5L, or 5.0L engines
  • Exhaust Muffler
    SKU: 425403
    • Delivers the original, aggressive Flowmaster tone inside and out
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • High-temperature paint finish built to handle exhaust-system heat
    • Universal fitment with 2.50-inch dual inlet, ideal for Street Rod and custom builds
    • Compact 9.50-inch body width fits a wide range of exhaust routing projects
  • Exhaust Muffler
    SKU: 53531-12
    • Flowmaster Delta Flow technology delivers excellent power characteristics with maximum sound reduction
    • 30 Series Delta Force design engineered to meet stringent track decibel requirements
    • Aggressive sound level built for Street/Strip and race applications
    • 3.50″ inlet diameter supports high-flow performance exhaust builds
    • Universal fitment gives fabricators flexibility for custom exhaust system integration
    • High-temperature paint finish stands up to exhaust heat
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 817116
    • Aggressive, deep exhaust tone from a pair of Super 44 Series mufflers for enthusiasts who want to be heard
    • Mandrel-bent 2.50-inch stainless steel inlet and tailpipes deliver maximum flow and lasting durability
    • Improved throttle response, power, and mileage in a complete cat-back package
    • Uses factory exhaust hangers with all parts and hardware included for a quick, easy installation
    • CARB (California) compliant and backed by a Lifetime Limited Warranty
    • Clean straight-back exit with a turn down at the lower valance; exhaust tips sold separately for a custom finish
  • Flowmaster 40 Series Chambered Muffler
    SKU: 42441
    • Delivers the original, aggressive Flowmaster sound with a proven chambered design
    • Built from durable 16 gauge aluminized steel and fully MIG welded for maximum durability
    • Universal fitment with a 2.25″ inlet makes it a versatile choice for street rod and custom builds
    • High-temperature paint finish helps it stand up to real-world driving
    • Iconic 40 Series tone — one of the most recognizable performance mufflers on the street
  • Exhaust Muffler
    SKU: 815425S
    • Flowmaster Outlaw series muffler delivers an aggressive, high-volume race exhaust note with no set decibel limit
    • 2.50-inch inlet with universal fitment adapts to a wide range of race exhaust systems
    • Connect directly to header collectors or integrate into your existing exhaust system for maximum flexibility
    • High-temperature paint finish is built to withstand the heat of hard race use
    • Exhaust tips sold separately so you can finish the build with the style and diameter you want
  • Exhaust Muffler
    SKU: 815425
    • Flowmaster Outlaw Series muffler built for race use with no set decibel limit
    • Aggressive sound level that maximizes volume and free-flowing exhaust performance
    • Universal fitment with a 2.50-inch inlet for header-collector or in-line installs
    • Durable high-temperature paint finish withstands demanding exhaust heat
    • Versatile foundation for a custom performance exhaust or cat back exhaust system
  • Flowmaster American Thunder Crossmember-Back Exhaust System
    SKU: 817200
    • True-dual 3.00-inch mandrel-bent design with a built-in H-pipe crossover for balanced flow and maximum power
    • Dual Super 40 Series performance mufflers deliver a deep, powerful, aggressive exhaust note
    • Built from durable 409 stainless steel and backed by a Lifetime Limited Warranty
    • Custom-bent tailpipes tuck up high and exit with a clean turn-down under the rear bumper
    • Purpose-built for 1968-1972 GM A-Body V8s (2WD) and CARB compliant
    • Comes complete with all necessary hardware and hangers for installation
  • Flowmaster 40 Series Chambered Muffler
    SKU: 80430402
    • Delivers the original, aggressive Flowmaster sound both inside and outside the cabin
    • Built from 16 gauge 409S stainless steel and fully MIG welded for maximum durability
    • High-temperature paint finish adds extra protection against heat and the elements
    • Universal fitment with a 3.00-inch inlet and dual outlet, ideal for classic muscle car builds
    • Part of the legendary Original 40 Series that defined the Flowmaster sound
  • Flowmaster 40 Series Chambered Muffler
    SKU: 8042443
    • Delivers the original, aggressive Flowmaster tone with a bold interior and exterior sound
    • Built from 16-gauge 409S stainless steel and fully MIG welded for maximum durability
    • High-temperature paint finish helps resist harsh under-vehicle heat
    • Universal fitment designed for Truck/SUV applications with a 2.25″ inlet
    • Iconic Original 40 Series chambered design — the classic Flowmaster muffler
  • Flowmaster 40 Series Chambered Muffler
    SKU: 8043041
    • Delivers the original aggressive Flowmaster sound, inside and out
    • Constructed of 16 gauge 409S stainless steel, fully MIG welded for maximum durability
    • 3.00″ inlet with a 9.50″ body width for versatile builds
    • Universal fitment ideal for Truck/SUV applications
    • High-temperature paint finish stands up to exhaust heat
    • Part of the proven Original 40 Series chambered muffler lineup
  • Exhaust Muffler
    SKU: 842580
    • Compact 4.0 x 9.5 x 13.0 in. case makes for easier fitment on tight custom exhaust builds
    • Offset same-end 2.50 in. inlet and outlet ideal for side-exit routing in front of the rear tires
    • Durable 409S Stainless Steel construction with high-temperature paint finish built to last
    • Delivers a moderate to aggressive Flowmaster tone perfect for classic muscle car applications
    • Backed by Flowmaster’s Lifetime Limited Warranty for lasting peace of mind
  • Exhaust Muffler
    SKU: 842515
    • Delivers the loudest, most aggressive sound in the Super series lineup thanks to its single chamber Super 10â„¢ design
    • Patented Delta Flow® technology tuned for maximum performance
    • 16 gauge 409S stainless steel construction, fully MIG welded for maximum durability
    • Universal fitment with a 2.50″ inlet, ideal for late model muscle car builds
    • High-temperature paint finish adds heat protection under demanding use
  • Exhaust Muffler
    SKU: 8425152
    • Delivers the loudest, most aggressive Super series sound thanks to single-chamber Delta Flow® technology
    • Built from 16-gauge 409S stainless steel and fully MIG welded for maximum durability
    • Universal fitment with a 2.50″ inlet and dual outlet location for flexible exhaust system builds
    • High-temperature paint finish helps it endure the harsh under-vehicle environment
    • Ideal centerpiece for a dedicated off-highway late model muscle car performance exhaust
  • Exhaust Muffler
    SKU: 8425810
    • Flowmaster Super 10 Series single chamber design delivers a powerful, aggressive tone inside and out
    • Crossflow layout with a 2.50 inch inlet and dual 2.50 inch transverse outlets
    • Durable 409S Stainless Steel construction with a high-temperature paint finish
    • Universal fitment makes it ideal for street rod and custom exhaust builds
    • Backed by Flowmaster’s Lifetime Limited Warranty
  • Exhaust Muffler
    SKU: 8430152
    • Loudest, most aggressive Flowmaster tone thanks to the Super 10 single chamber design
    • Durable 16 gauge 409S stainless steel body, fully MIG welded to survive hard use
    • Patented Delta Flow® technology delivers maximum performance
    • 3.00 inch inlet with dual outlet location for muscle car builds
    • High-temperature paint finish resists heat and corrosion
    • Universal fitment offers flexibility for custom exhaust system builds

Showing 97–120 of 278 results