Breathe Performance
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Latest Products
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CSF 10380 HVAC Radiator for Acura RSX
$93.23
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K&N Filters VF2074 Air Filter - Washable Replacement Cabin Filter
$47.99
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Flowmaster American Thunder Cat-back Exhaust System - 50 Series HD, Aggressive / Moderate (817891)
$1,249.95
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K&N 57-0693 Air Intake System for Cupra Formentor 2026
$262.99 $265.19 -
Injen SP Cold Air Intake System - SP1869 INJ-SP1869
$430.98
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Product
Price
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- 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
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- Steps up to 3.00-inch mandrel-bent aluminized steel tubing and the improved Super 50 Series muffler for better flow over stock
- Delivers a mild, refined tone — moderate outside, mild to moderate inside — ideal for drivers who want efficiency without a lot of noise
- Purpose-built for daily drivers and light towing such as boats and RVs
- Bolt-on design uses factory hanger locations and includes all parts and hardware for easy at-home installation
- Finished with a 3.50-inch polished stainless steel tip and backed by a 3-Year Limited Warranty on aluminized steel
- CARB (California) compliant and available in a Lifetime-warranty stainless steel version (part# 817403)
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- 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
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- Deep, moderate exterior exhaust note with tuned rear resonators to eliminate interior drone
- All mandrel-bent 2.50-inch aluminized steel tubing with an exclusive Scavenger Series X-pipe and dual Super 40 Series mufflers for strong flow and sound
- Dual 4.00-inch polished stainless steel tips exit the factory OE valance cutouts for a clean, integrated look
- CARB (California) compliant, fits 2005-2010 Magnum RT, Charger RT and 300C 5.7L Hemi — including all-wheel drive models
- Complete kit with all hardware and easy-to-follow instructions, backed by a 3-year Limited Warranty
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- 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
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- Mounts directly to Flowmaster Scavenger race mufflers for a guaranteed, purpose-built match
- Highly recommended for even greater sound reduction on your exhaust setup
- Durable 16-gauge construction with a High Performance grade for lasting reliability
- Round, straight-cut tips at 3.00 diameter deliver a clean, aggressive appearance
- Secure U-Bolt clamping and sold as a set of two for dual-exit applications
- Sized for 3-inch exhaust systems with 3.00 min/max pipe compatibility
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- Scavenger Series turndown mounts directly to Flowmaster Scavenger race mufflers for a clean, integrated fit
- Highly recommended for even greater sound reduction on race-muffler-equipped vehicles
- Durable 16-gauge construction built for demanding performance use
- Round, straight-cut tips with a 3.50-inch diameter and 1-inch length for a purposeful look
- Includes 2 exhaust tips and fits 3.50-inch pipe applications
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- 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
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- 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
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- 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
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- 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
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- 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
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- Mandrel-bent 2.50-inch aluminized steel and a Super 50™ Series muffler deliver improved throttle response, power, and mileage
- Moderate exterior tone with a mild-to-moderate interior tone — aggressive outside without cabin drone
- Choose straight-out-the-back for a muscular look or behind-the-rear-wheels exit for towing
- Dual 2.50-inch tailpipes finished with polished 3.00-inch stainless steel tips
- Uses factory hanger locations and includes all hardware for an easy bolt-on installation
- CARB compliant and backed by Flowmaster’s 3-year Limited Warranty
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- Exclusive Scavenger Series Y-pipe uses back-to-back D-shaped ports for a stronger scavenging effect that helps build power and torque
- Straight-through Flow FX muffler delivers a deep, powerful sound outside with a moderate tone inside the cab
- Large 4.50-inch black ceramic-coated tip embossed with the Flowmaster name for an aggressive, finished look
- Bolt-on install uses factory hanger locations and includes all necessary parts, hardware, and detailed instructions
- CARB (California) compliant with Emission Code 5 for street-legal peace of mind
- Purpose-built fitment for the 2017-2024 Nissan Titan 5.6L, ideal for daily driving and towing
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- 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
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- Full stainless steel construction with mandrel-bent tubing for smooth, unrestricted exhaust flow
- Straight-through Flow FX muffler delivers a deep, aggressive sound outside with a moderate tone inside the cab
- Finished with a large 4.50-inch black ceramic-coated tip embossed with the Flowmaster name
- Bolts to factory hanger locations and includes all hardware and detailed instructions for easy at-home installation
- CARB (California) compliant and street legal in all 50 states
- Direct fit for 2019-2023 Ford Ranger 2.3L EcoBoost 2WD/4WD EC/CC with 126.8-inch wheelbase
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- Crafted from 304 stainless steel with a black ceramic coating for durability and a bold, blacked-out look
- Clamp-on design installs easily with basic hand tools — no welding needed
- Embossed Flowmaster logo and angle rolled edge deliver authentic, aggressive style
- Universal mounting orientation fits a wide range of 3.50-inch tailpipe applications
- 5-inch outlet, 12-inch length makes a statement without going overboard
- Backed by Flowmaster’s three-year Limited Warranty
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- 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
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- Delta Flow® technology delivers a mellow tone plus improved power and throttle response on 4 and 6 cylinder engines
- Built from 16 gauge aluminized steel and fully MIG welded for maximum durability
- Moderate sound level keeps things refined — pair with a larger tailpipe or tip for a deeper tone
- Universal fitment with a 2.25″ inlet for flexible, rear-mount-friendly installation
- High-temperature paint finish adds protection against heat and underbody conditions
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- Deep, powerful exterior sound with a moderate tone inside the cab thanks to the Flow FX straight-through muffler
- Stainless steel construction with 3-inch mandrel-bent tubing for durable, unrestricted exhaust flow
- Large 4.50-inch black ceramic coated tip embossed with the Flowmaster name for a bold finish
- CARB (California) compliant and engineered specifically for the 2020-2026 Jeep Gladiator 3.6L
- Uses factory hanger locations and includes all parts, hardware, and detailed instructions for easy at-home installation
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- 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
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- Two exhaust modes in one muffler — a moderate performance tone for daily driving and an aggressive open-exhaust sound activated with the wireless key fob
- W.A.V.E. Technology wireless active by-pass valve redirects exhaust through a 3.00-inch turndown for deep, open sound on demand
- Direct-fit installation uses factory hangers and connects to the factory tailpipe — no cutting required
- Durable 409 stainless steel body, mandrel-bent tubing, and round turndown tip built to resist corrosion
- Complete kit includes actuator motor, control unit, two wireless key fobs, wiring, clamps, hardware, and instructions
- Delivers maximum dyno gains of 9 hp and 11 lb-ft at the rear wheels on 2019-2026 Silverado/Sierra 1500 5.3L trucks
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- 16-gauge mandrel-bent aluminized steel construction built for durable, smooth exhaust flow
- Pair of 60 Series Delta Flow mufflers deliver a moderate, performance-matched tone inside and out
- Large 4.00-inch polished stainless steel tips fill the rear valance for a muscular look
- Improved throttle response, power, and mileage from proven Flowmaster flow technology
- Includes all parts and hardware for an easy fit on both coupes and convertibles
- CARB (California) compliant for street-legal performance
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- Scavenger Series Y-pipe with back-to-back D-shaped ports increases scavenging for more power and torque — especially useful when towing
- 70 Series Big Block II muffler (PN 530702 included) delivers a deep sound outside while keeping a moderate tone inside the cab
- Choose side-exit tailpipes behind the rear tires for towing or rear-exit under the bumper for a muscular look
- Bolts up to factory cat pipes using stock hanger locations for a straightforward install
- Dual 2.50-inch mandrel-bent aluminized tubing finished with 3.00-inch polished stainless Flowmaster-embossed tips
- CARB (California) compliant with Emission Code 5 for a legal upgrade
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