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XDR Latest Products
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09-17 Volkswagen CC (Sedan - 2.0 - FWD) Exhaust System Kit
$2,072.97
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Mishimoto Blue Silicone Radiator Hose Kit for Toyota GR Corolla
$159.95
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SCORCHER BLUE Bluetooth Capable Power Module BMW M2 Competition (F87) 19-21/M3/M4 (F80/82/83) 15-20 L6-3.0L (tt) S55
$581.00 $726.25 -
Injen RD Cold Air Intake System - RD1660 INJ-RD1660
$404.40
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Flowmaster American Thunder Cat-back Exhaust System
$1,867.28
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Product
Price
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- Adds up to 7 hp and 6 lb-ft at the rear wheels over stock for a real, measurable gain
- Flow FX muffler delivers a moderate/mild tone — aggressive sound without cabin drone
- Mandrel-bent 2.5-inch 409 stainless steel construction for maximum flow and lasting durability
- Larger 4.00-inch black ceramic-coated tips with embossed logo for a bold custom look
- Uses factory hangers and includes all hardware for a straightforward bolt-on install
- CARB compliant and backed by Flowmaster’s Lifetime Limited Warranty
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- Delta Flow® technology and Delta deflectors boost scavenging for better performance and a quieter, less resonant cabin
- Aggressive exterior sound with a milder tone and reduced interior drone compared to the standard 40 Series
- Rugged 16 gauge aluminized steel construction, fully MIG welded for maximum durability
- Universal fitment with a 2.25″ inlet diameter for flexible custom and replacement exhaust builds
- Purpose-built for street/strip vehicles that demand both attitude and everyday livability
- High-temperature paint finish stands up to extreme exhaust heat and the elements
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- Includes a pair of Super 44 Series mufflers tuned for that iconic deep, aggressive 5.0L Fox body sound
- Bolt-on installation using factory hanger locations, with all hardware and easy-to-follow instructions included
- Free-flowing 2.50-inch aluminized steel mandrel-bent inlet pipes and tailpipes for smoother exhaust flow
- Long 2.50-inch 304 stainless steel dual tips deliver a genuine show-car look
- Emissions-legal and CARB (California) compliant to keep your Mustang street-legal
- Fits 1987-1993 Mustang LX and 1986 Mustang GT with 5.0L, coupes and convertibles
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- Bolt-on performance with maximum dyno gains of 21 hp and 26 lb-ft at the rear wheels
- Durable 409 stainless steel construction throughout for long-term corrosion resistance
- Deep, moderately aggressive Flow FX straight-through sound tuned for daily driving and towing
- Dual mandrel-bent tailpipes exit through factory bezels to keep the stock dual exhaust look
- CARB compliant and legal in all 50 states
- Uses factory hangers and includes hardware and instructions for easy at-home installation
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- Constructed from durable 304 stainless steel for long-term corrosion and heat resistance
- Application-specific fitment for 2024-2026 GM 1500 trucks with the 6.2-liter V8
- Engineered to work with the factory active valve system
- Cat-back design upgrades the mid and rear exhaust sections
- Backed by the trusted Flowmaster name in performance exhaust
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- Delta Flow® technology uses internal Delta deflectors to increase scavenging for better performance
- Aggressive exterior tone with 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 protects against extreme exhaust heat
- Universal fit with a 2.25-inch inlet and offset same-side outlet for flexible routing
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- Delivers the most aggressive, deepest-sounding tone in Flowmaster’s four-inch case street muffler lineup
- Delta Flow® technology carried over from the larger Super 40 mufflers for strong performance
- 16 gauge aluminized steel construction, fully MIG welded for maximum durability
- Universal fitment with a 2.25-inch inlet for flexible custom and replacement builds
- High-temperature paint finish helps the compact four-inch case stand up to heat
- Purpose-built for street/strip vehicles that demand serious exhaust attitude
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- Purpose-built for race classes that require a muffler but have no set sound reduction rule
- Durable 409S Stainless Steel construction with a high-temperature paint finish for heat and corrosion resistance
- Compact 4.00 inch diameter body at just 10.50 inches long for easy packaging in tight race chassis
- 3.00 inch inlet and straight-through Outlaw design deliver high flow and an aggressive sound
- Universal fitment makes it ideal for custom race exhaust builds
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- Delivers Flowmaster’s most aggressive, deepest sounding four-inch case street muffler tone
- Proven Delta Flow® technology shared with the larger Super 40 series for strong performance
- 16 gauge aluminized steel body, fully MIG welded for maximum durability
- High-temperature paint finish helps resist heat and wear
- Universal fitment with a 2.25-inch inlet and 9.50-inch body width, ideal for classic muscle cars
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- Delivers Flowmaster’s most aggressive, deepest four-inch case street muffler sound using proven Delta Flow® technology
- Fully MIG welded 16 gauge aluminized steel construction for maximum durability
- High-temperature paint finish stands up to the heat of everyday street driving
- Universal fitment with a 2.25-inch inlet, ideal for late model muscle car builds
- Compact 9.50-inch body width packs big, rich tone into a durable package
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- Delta Flow® three-chamber design with an internal tuning chamber reduces interior resonance while keeping an aggressive exterior tone
- Delivers the same performance and exterior sound as the two-chamber version, but with less cabin drone
- Rugged 16 gauge aluminized steel construction, fully MIG welded for maximum durability
- High-temperature paint finish helps withstand the heat of the exhaust environment
- Universal fitment with a 2.25″ inlet diameter for flexible classic muscle car and custom builds
- Moderate sound level ideal for street and highway driving
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- Compact 6.50 inch “Shorty” body with a 4.00 inch diameter fits tight race chassis layouts
- Aggressive Outlaw-series sound built for race classes without set sound reduction rules
- Durable 409S Stainless Steel construction with a protective high-temperature paint finish
- 3.00 inch inlet diameter integrates into high-flow performance exhaust systems
- Universal fitment offers flexibility for custom race exhaust builds
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- Moderate, deep and mellow tone that sets it apart from chambered-style mufflers
- 3.5-inch straight-through stainless perforated core keeps flow strong on large-displacement gas engines
- Reversible internal flow design installs in either direction to fit your application
- Fully MIG-welded 409 stainless steel with embossed Flow FX logo for show-quality durability
- Compact 6-inch body makes packaging easier in tight spaces
- Show-quality performance muffler at an economical price point
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- Delta Flow three-chamber design with an internal tuning chamber cuts interior resonance for a quieter cabin
- Delivers the same exterior tone and performance as the two-chamber version with less interior drone
- 16-gauge aluminized steel and fully MIG-welded construction for maximum durability
- Moderate sound level makes it ideal for street/strip driving you can live with every day
- Universal fitment with a 2.25″ inlet gives you flexibility for custom exhaust builds
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- Aggressive exterior sound with a moderate interior tone, tuned by Super 44 Series performance mufflers
- 3.00-inch mandrel-bent stainless steel tubing and a Scavenger Series X-pipe for maximum power and a deep tone
- Dual tailpipes with large 4.00-inch polished 304 stainless steel tips that fill the factory valance cutouts
- Easy bolt-on install using factory hanger locations, with all hardware and instructions included
- Emissions-legal and CARB compliant, backed by Flowmaster’s Lifetime Limited Warranty
- Purpose-built for 2010-2013 Camaro SS 6.2L coupes (does not fit NPP quad-tip models)
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- Delta Flow® technology delivers the deepest, most aggressive tone in Flowmaster’s four-inch case street muffler lineup
- 16-gauge aluminized steel, fully MIG welded for maximum durability
- High-temperature paint finish helps the compact four-inch case stand up to the heat
- Universal fitment with a 2.25-inch inlet for flexible custom exhaust builds
- Rich, aggressive sound purpose-built for classic muscle cars
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- Replaces the restrictive factory flattened downpipe with 3.00-inch mandrel-bent tubing for maximum exhaust flow
- Factory style turbo flange and 3-bolt crossover flanges deliver a direct, precise fit with no fabrication
- Durable 16 gauge aluminized steel construction resists corrosion and holds up to turbo exhaust heat
- V-band clamping ensures a secure, leak-resistant connection
- Comes complete with all necessary hardware and instructions for an easy at-home installation
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- Three-chamber Delta Flow® design with an internal tuning chamber cuts interior resonance while keeping an aggressive exterior tone
- Delivers the same performance and exterior tone as a two-chamber muffler, but with less interior drone for a more livable ride
- 16 gauge aluminized steel construction, fully MIG welded for maximum durability
- High-temperature paint finish protects against the demanding exhaust environment
- Universal fitment with a 2.25″ inlet diameter for flexible street/strip applications
- Moderate, tuned sound level ideal for daily-driven performance builds
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- Delta Flow® two-chamber design with internal deflectors increases scavenging for better performance
- Aggressive exterior tone with reduced interior resonance compared to the standard 40 Series
- Heavy-duty 16 gauge aluminized steel body, fully MIG welded for maximum durability
- High-temperature paint finish helps resist the heat of a hard-working exhaust
- Universal fitment with a 2.50″ inlet for flexible custom exhaust builds
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- Delta Flow® technology with Delta deflectors increases scavenging for better performance
- Aggressive exterior tone with reduced interior resonance versus the standard 40 Series
- 16-gauge aluminized steel, fully MIG welded for maximum durability
- High-temperature paint finish stands up to real-world exhaust heat
- Universal fit with a 2.50″ inlet, ideal for street/strip builds
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- Frees up power and sound on 4.7L and 5.7L Hemi 2009-2024* (classic body) RAM 1500 4WD trucks
- 50 Series HD muffler tunes in an aggressive exterior tone while keeping cab drone to a minimum
- Durable 16-gauge mandrel-bent stainless steel tubing with dual polished 3.00-inch tips
- Choose dual side exit for towing or straight rear exit for a muscular look
- Complete kit with all parts and hardware for an easy at-home install
- CARB (California) compliant for legal, worry-free upgrading
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- Delta Flow® deflectors increase scavenging for better performance and stronger exhaust flow
- Aggressive exterior tone with reduced interior resonance versus the standard 40 Series
- 16 gauge aluminized steel construction, fully MIG welded for maximum durability
- High-temperature paint finish stands up to demanding exhaust environments
- Universal fitment with a 2.50-inch inlet for versatile street/strip applications
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- Delivers Flowmaster’s most aggressive, deepest four-inch case tone using proven Delta Flow® technology
- Built from 16-gauge aluminized steel and fully MIG welded for maximum durability
- Compact 9.50″ body with a 2.50″ inlet fits a wide range of Street/Strip builds
- Universal fitment gives you flexibility for custom exhaust setups
- High-temperature paint finish stands up to real-world exhaust heat
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- 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
Showing 49–72 of 842 results
