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XDR Latest Products
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Catalytic Converter-Universal-225 Series-2.25 in. Inlet/Outlet-49 State
$166.97
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Pyrometer Kit
$60.56
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FASS No Drop Series Fuel System for 1998.5-2004 Dodge RAM Cummins 5.9L (600-900hp)
$962.55
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S&B Air Filters for Competitors Intakes AFE XX-91036 Extendable White
$69.00
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FASS No Drop Series Diesel Fuel System for 2005-2018/2021-2023 Dodge RAM Cummins 5.9L and 6.7L (1200-1500 hp)
$1,017.62
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Product
Price
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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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- 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
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- 40 Series Delta Flow technology uses internal deflectors for increased scavenging and better performance
- Aggressive tone with reduced interior resonance versus the standard 40 Series
- 16 gauge aluminized steel, fully MIG welded for maximum durability
- Universal fitment with a 2.00-inch inlet for flexible late model muscle car builds
- High-temperature paint finish built to handle exhaust heat
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- Delta Flow® technology delivers Flowmaster’s most aggressive, highest-performing street tone in a four inch case
- 16 gauge 409S stainless steel, fully MIG welded for maximum durability
- High-temperature paint finish stands up to real exhaust system heat
- Universal fit with a 2.25″ inlet and 9.50″ body — ideal for late model muscle car builds
- Perfect centerpiece for a custom catback exhaust or cat back muffler system
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- Delta Flow® technology delivers the aggressive, powerful tone muscle-car owners want in a compact four-inch case
- 16-gauge 409S stainless steel, fully MIG welded for maximum durability
- Universal fitment with a 2.25 inlet diameter for flexible exhaust system builds
- High-temperature paint finish stands up to heat cycling and the elements
- Ideal centerpiece for a late-model muscle car cat back exhaust system upgrade
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- Delta Flow® two-chamber design increases scavenging for better performance and reduced interior sound
- Aggressive tone with milder exterior sound and less interior resonance than the standard 40 Series
- 16-gauge aluminized steel, fully MIG welded for maximum durability
- Universal fitment with a 2.00″ inlet for flexible custom exhaust builds
- High-temperature paint finish stands up to heat and corrosion
- Street/Strip rated Flowmaster 40 Series Delta Flow muffler
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- Three chamber Delta Flow® design cuts interior resonance while keeping an aggressive exterior tone
- Heavy-duty 16 gauge 409S stainless steel construction, fully MIG welded for maximum durability
- 2.25-inch inlet with universal fitment for flexible custom or replacement installs
- Moderate sound level tuned for comfortable daily driving on street/strip vehicles
- High-temperature paint finish protects against heat and the elements
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- 40 Series Delta Flow two-chamber design uses Delta Flow® technology and Delta deflectors for increased scavenging and better performance
- Aggressive sound level with a milder exterior tone and reduced interior resonance versus standard 40 Series mufflers
- Built tough from 16 gauge aluminized steel and fully MIG welded for maximum durability
- Universal fitment with a 2.50-inch inlet diameter for flexible exhaust system builds
- High-temperature paint finish tuned for Street/Strip performance
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- Delta Flow® technology delivers a rich, powerful, and aggressive tone in a compact four-inch case
- Built from 16-gauge 409S stainless steel and fully MIG welded for maximum durability
- Flowmaster’s highest-performing, most aggressive street muffler in its four-inch class
- Universal fit with a 3.00-inch inlet, ideal for late-model muscle car exhaust builds
- High-temperature paint finish adds protection against heat and the elements
- Flexible setup — pair with your choice of hangers and exhaust tips (sold separately)
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- Race-derived Super 40 Series with Flowmaster Delta Flow® technology for strong performance and a deep, aggressive sound
- Larger case profile excels on forced induction and high horsepower vehicles
- 16 gauge aluminized steel, fully MIG welded for maximum durability
- High-temperature paint finish stands up to real exhaust heat
- Universal fitment with a 2.25″ inlet for versatile Dodge, GMC, and Plymouth street/strip builds
- Delivers powerful tone with low interior resonance for a refined driving experience
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- Delta Flow® technology delivers deep, aggressive sound with low interior resonance and no cabin drone
- 16 gauge aluminized steel with full MIG welds for maximum durability under heat and hard use
- Larger case profile excels on forced-induction and high-horsepower street/strip vehicles
- Universal 2.50″ inlet fitment makes it a versatile foundation for custom exhaust builds
- Race-derived Super 40 Series design brings Top Ten race muffler performance to the street
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- 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
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- 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
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- Delivers a deep, rich tone with a mild sound level and less interior drone thanks to the larger case and Delta Flow® design
- Built from 16 gauge aluminized steel and fully MIG welded for maximum durability
- Universal fitment with a 2.25″ inlet plus dual inlet and dual outlet for flexible installs
- Sized for 4- and 6-cylinder engines and suited to trucks, SUVs, and high-performance builds
- Contributes to mileage and power gains while adding an aggressive, refined exhaust note
- High-temperature paint finish helps the muffler stand up to real-world heat
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- 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
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- Delivers a deep, mellow, moderate performance tone that sets it apart from chambered mufflers
- Straight-through 3.00-inch stainless steel perforated core promotes smooth flow and a refined exhaust note
- Fully MIG-welded 409 stainless steel construction with embossed Flow FX logo on both sides for lasting durability and looks
- Reversible internal flow design installs in either direction to suit your application and offsets
- Compact case size and universal Truck/SUV fitment make installation easier in tight spaces
- Show-quality performance muffler at an economical price point
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- Straight-through smooth core delivers a moderate, refined sound level inside and out
- Fully welded 409S stainless steel case for increased durability and heat resistance
- Compact 4.00-inch round body fits nearly any application, including late model muscle cars
- 2.50-inch inlet with universal fitment for flexible custom exhaust builds
- Economically priced Flow FX performance muffler from Flowmaster
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- Delivers a deep, traditional mellow tone with a moderate sound level that’s distinct from chambered muffler designs
- 3.00-inch straight-through stainless steel perforated core promotes strong exhaust flow
- Fully MIG-welded “bright” 409 stainless steel construction with embossed Flow FX logo for show-quality looks
- Reversible internal flow design installs in either direction to suit your offsets and application
- Compact case and 2.50-inch inlet make it easy to fit into universal and late model muscle car builds
- Show-quality performance muffler at an economical price point
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- Economically priced Flowmaster Flow FX performance muffler that delivers real value
- Straight-through smooth core provides a moderate, refined tone inside and out
- Fully welded 409S stainless steel case for increased durability and corrosion resistance
- Compact 4.00 inch round body with 3.00 inch inlet fits just about any application
- Universal fitment makes it ideal for late model muscle car exhaust builds
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- 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
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- 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
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- 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
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- Delivers the loudest, most aggressive sound in the Super series lineup thanks to its single chamber Super 10™ 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
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- 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
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