Breathe Performance
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AEM 409
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Latest Products
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Sinister Cold Air Intake for 2003-2007 Dodge/Ram Cummins 5.9L.
Price range: $418.99 through $468.99
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aFe Power AFE-54-76214-p Momentum GT Cold Air Intake System Jeep Grand Cherokee (WK2)/Dodge Durango 16-21 V6-3.6L
Price range: $451.00 through $462.00
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K&N 33-2017 High-Flow Air Filter for Mazda RX-7
$68.99
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K&N 56-9312 Custom Air Filter for Carburetors
$146.99
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K&N 33-2002 High-Flow Air Filter - Washable & Reusable
$57.99
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Product
Price
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- Delta Flow® two-chamber design with Delta deflectors for increased scavenging and better performance
- Aggressive exterior tone with reduced interior resonance compared to the standard 40 Series
- Heavy-duty 16 gauge aluminized steel construction, fully MIG welded for maximum durability
- Universal fitment with a 3.00-inch inlet, ideal for custom street/strip exhaust builds
- High-temperature paint finish helps protect the muffler in real-world driving conditions
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- Complete bolt-on cat-back kit that connects to the factory flange and uses factory hanger locations for an easy install
- Deep, powerful sound outside the truck with a moderate, drone-free tone inside the cab
- Durable stainless steel with 3.00-inch mandrel-bent tubing and a straight-through Flow FX muffler for smooth flow
- Finished with a large 4.50-inch black ceramic coated tip embossed with the Flowmaster name
- CARB (California) compliant and includes all parts, hardware and detailed instructions
- Engineered specifically for 2015-2020 Ford F-150 2.7L, 3.3L, 3.5L Ecoboost, 3.5L Ti-VCT and 5.0L engines
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- Built from 16-gauge mandrel-bent aluminized steel with 60 Series Delta Flow mufflers for durable, free-flowing performance
- Improves throttle response, power, and mileage while adding an aggressive American Thunder tone
- Large 4.00-inch polished stainless steel tips fill the rear valance cutouts for a muscular, integrated look
- Moderate interior and exterior sound level lets your performance be heard without overwhelming the cabin
- CARB (California) compliant and includes all parts and hardware for an easy axle-back installation
- Fits both coupes and convertibles in 2WD applications
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- Deep, powerful exterior tone with a moderate interior sound thanks to the dual inlet 50 Series Big Block muffler
- Delivers improved throttle response, power, and mileage like every Flowmaster cat-back system
- 3.50-inch aluminized tailpipe exits behind the right rear wheel — ideal for towing setups
- Finished with a large 4.00-inch polished 304 stainless steel tip embossed with the Flowmaster logo
- CARB (California) compliant with all necessary parts and hardware for an easy, bolt-in install
- Direct fitment for 2001-2006 (2007 Classic) Silverado / Sierra 2500HD/3500HD with 6.0L or 8.1L engines
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- True dual crossmember-back system with a built-in H-pipe crossover for balanced flow and tone
- 16-gauge mandrel-bent stainless steel tubing for durability and unrestricted exhaust flow
- Super 44 Series mufflers (P/N 842546) deliver a moderate to aggressive interior and exterior tone
- Improves throttle response, power, and mileage — hallmark Flowmaster performance benefits
- Includes all hangers and hardware for an easy, straightforward installation
- CARB (California) compliant with a 2.50″ inlet and dual tail pipes
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- 3.00-inch mandrel-bent aluminized steel tubing delivers efficient flow, improved throttle response, power, and mileage
- 50 Series Big Block muffler tuned for a deep, moderate exterior tone with a mild-to-moderate interior tone
- Finished with a large 3.50-inch polished 304 stainless steel tip for a subtle custom look
- Uses factory hanger locations and includes all necessary parts and hardware for easy installation
- CARB compliant and especially recommended for towing applications
- Backed by a 3-year Limited Warranty
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- 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
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- Improves throttle response, power and mileage with 3.00-inch mandrel-bent aluminized tubing
- Mild interior and moderate exterior tone from the included Super 50 Series muffler — refined, not loud
- Single-out-side tailpipe exits behind the right rear wheel, making it especially suited for towing
- CARB (California) compliant and ships with all necessary parts and hardware for an easy fit
- Subtle silver aluminized finish delivers a clean custom look under standard cab/short bed trucks
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- Direct-fit cat-back system for 1998-2002 Camaro/Firebird with the 3.8L engine
- 80 Series Crossflow muffler delivers a deep, muscular exterior tone with a moderate interior sound
- 2.50-inch mandrel-bent aluminized steel tubing improves throttle response, power, and mileage
- Dual 2.50-inch tailpipes with large 3.00-inch polished stainless steel tips for a true dual look
- CARB (California) compliant and backed by a 3-year Limited Warranty
- Includes a specially tuned resonator plus all necessary parts and hardware for an easy fit
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- Dyno-proven power gains of up to +26 hp and +39 lb-ft at the rear wheels
- Durable 409 stainless steel construction throughout for lasting corrosion resistance
- 3.5-inch to dual 2.50-inch mandrel-bent pipes with a Flow FX straight-through muffler for a moderate tone
- Easy at-home install using factory hanger locations, with instructions and all hardware included
- CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty
- Connects to factory rear-bumper exhaust tips for a stealthy, OEM-inspired look
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- 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
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- Moderate exterior tone with a mild interior tone — great power without loud cabin drone
- 3.00-inch mandrel-bent 409 stainless steel tubing paired with an included 50 Series Big Block muffler
- Single side-exit tailpipe routes behind the right rear wheel, keeping exhaust off your boat or trailer while towing
- Delivers improved throttle response, power and mileage
- CARB (California) compliant and includes all parts, hardware and easy-to-follow instructions
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- Delta Flow® technology and an enlarged case improve sound control while supporting mileage and power gains
- Mild sound level makes it ideal for trucks, SUVs, RVs, tow vehicles, and high-performance street cars
- 16 gauge aluminized steel construction with full MIG welds for maximum durability
- High-temperature paint finish stands up to the heat of everyday exhaust duty
- Universal fitment with dual 2.25-inch inlets for adaptable installation across a variety of builds
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- Heavy 16-gauge mandrel-bent stainless steel construction built for durability and maximum flow
- Included Super 50 Series muffler delivers an aggressive exterior tone with a comfortable, moderate interior tone
- Dual 2.50-inch tailpipes offer straight rear-exit or side-exit options — ideal for a true dual look or towing
- Polished 3.00-inch 304 stainless steel tips embossed with the Flowmaster name
- CARB compliant and backed by Flowmaster’s Lifetime Limited Warranty
- Complete kit with all parts, hardware, and instructions for easy at-home installation
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- Straight-through 3.00-inch stainless steel perforated core delivers efficient flow and a deep, mellow performance tone
- Fully MIG-welded 409 stainless steel construction for show-quality looks and long-term durability
- Reversible internal flow design installs in either direction to fit your vehicle’s offsets
- Moderate sound level offers a distinct alternative to the chambered Flowmaster sound
- Compact case size and economical price point make it easy to fit and easy to afford
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- Adds real power — up to 18 hp and 21 lb-ft at the rear wheels from the straight-through Flow FX muffler
- Aggressive yet moderate exhaust note with a deep, performance-oriented Flow FX sound
- Durable 409 stainless steel construction with dual 2.50-inch mandrel-bent tailpipes
- Side-exit tailpipes angle exhaust away from your boat or travel trailer when towing
- Finished with 4.50-inch black ceramic-coated 304S stainless tips for a bold custom look
- Easy at-home install using factory hangers, plus an included hanger and all necessary hardware
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- D.O.S.S. dual-out-same-side design delivers the aggressive NASCAR race truck look and stance
- 50 Series HD muffler tunes a moderately aggressive exterior sound with a moderate interior tone
- Dual 2.50-inch mandrel-bent tailpipes improve throttle response, power, and mileage
- Finished with dual 3.00-inch polished stainless steel tips for a clean, high-quality appearance
- CARB (California) compliant with all necessary parts and hardware included for easy installation
- Backed by a 3-year Limited Warranty
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- Deep, muscular exterior tone from the Super 50 Series muffler with a built-in Helmholtz chamber to control interior resonance
- High-flow 3.00-inch mandrel-bent aluminized steel tubing feeding dual 2.50-inch side-exit tailpipes ideal for towing
- Polished 3.00-inch 304 stainless steel tips deliver a finished, true dual-exhaust look
- Bolt-on installation using factory hanger locations with new hangers and U-bolt clamps included
- CARB compliant and street legal in all 50 states, backed by a 3-year Limited Warranty
- Direct fit for 2000-2003 Tahoe and Yukon with 4.8L or 5.3L engines, both 2WD and 4WD
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- 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
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- 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
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- 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
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- 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
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- Delta Flow® technology and an enlarged case deliver improved sound control plus mileage and power gains
- Mild sound level keeps your ride street-friendly without heavy interior drone
- 16 gauge aluminized steel construction, fully MIG welded for maximum durability
- Universal fitment with a 2.50″ inlet diameter for flexible installation
- Ideal for trucks, SUVs, RVs, tow vehicles, and high-performance street cars
- High-temperature paint finish stands up to exhaust heat
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- Dual-mode design delivers a refined performance tone daily and a deep, open exhaust sound at the push of a button
- Wireless W.A.V.E. Technology™ with two included key fobs makes switching sound modes effortless
- Direct-fit for 2009-2024 RAM 1500 (Classic body) 5.7L Hemi trucks with factory dual exit exhaust
- Durable mandrel-bent 409 stainless steel construction throughout for long-lasting performance
- Complete kit includes actuator motor, control unit, wiring, clamps, and detailed instructions
- Uses factory hangers and OEM-style exit for a clean, straightforward installation
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