Breathe Performance
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AEM 409
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Latest Products
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CSF 8109MCBC Twin Charge-Air-Cooler Set - Caliper Blue Candy
$1,899.00 $1,999.00 -
K&N 54-5000 Air Intake System for Enhanced Engine Performance
$262.99
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Dinan D590-0001 Engine Cover for BMW X3M/X4M
$849.95 $956.95 -
Volant Closed Box Air Intake (15036, 415036) 2010-2011 Chevrolet Camaro 3.6L V6-15036-P
Price range: $307.90 through $324.90
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K&N Engineering 100-8593 Generation 2 Carbon Fiber Air Box
$944.99
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Product
Price
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- Delivers a deep, aggressive-yet-moderate tone from Flow FX straight-through mufflers and a Scavenger Series X-pipe
- Retains your Factory Active Exhaust Valves by reusing the OEM actuators for seamless integration
- Full mandrel-bent 3.00-inch stainless steel construction for smooth, high-performance flow
- Aggressive 4.50-inch black ceramic-coated 304 stainless tips with embossed Flowmaster logo exit within the rear valance
- CARB (California) compliant and street-legal with emission code 5
- Bolts up to factory hanger locations with all hardware and detailed instructions included for at-home install
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- Dyno-proven gains of +21 hp and +23 lb-ft at the rear wheels
- Durable 409 stainless steel construction with 3.50-inch mandrel-bent pipes for better flow
- Flow FX straight-through muffler delivers a moderate, performance-minded sound
- Side exit with a 5.00-inch black ceramic tip and embossed logo for a custom look
- Bolt-on install using factory hangers, with all hardware and instructions included
- CARB compliant and backed by Flowmaster’s Lifetime Limited Warranty
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- Delta Flow® technology delivers aggressive sound with low interior resonance
- Larger case profile combines the deep tone of the Original 40 with real performance flow
- 16 gauge aluminized steel, fully MIG welded for maximum durability
- Universal 3.00″ inlet with offset (same side) outlet for flexible custom builds
- High-temperature paint finish stands up to the under-vehicle environment
- Street/Strip-rated tone-setting centerpiece for your exhaust system
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- 409 stainless steel with 2.50-inch mandrel-bent tubing for lasting durability and free-flowing performance
- Straight-through Flow FX muffler delivers a moderate, deep, powerful sound without being overwhelming
- Tailpipe tucks high in the undercarriage to survive rocky trails and off-road terrain
- Uses factory hanger locations and includes all hardware and instructions for an easy at-home install
- 3.50-inch black ceramic coated 304 stainless tip with embossed Flowmaster logo for a clean finish
- CARB compliant and backed by Flowmaster’s Lifetime Limited Warranty
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- Delivers a moderate exterior sound with a mild interior tone — ideal for towing without cabin drone
- Improves throttle response, power, and mileage with the proven Flowmaster Force II design
- Fits 2005-2007 Ford F-250/F-350 trucks with V8 or V10, in 2WD or 4WD and all wheelbases
- Aluminized steel mandrel-bent construction with a 70 Series Big Block II muffler and 3.50-inch polished stainless tip
- CARB compliant and emissions legal, with all hardware included for easy at-home installation
- Backed by a 3-year Limited Warranty
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- Dyno-proven gains of +7 hp and +12 lb-ft at the rear wheels from a straight-through Flow FX muffler
- Built from durable 409 stainless steel with 3.50-inch mandrel bent pipes for lasting flow and corrosion resistance
- Easy at-home install using factory hanger locations, with all hardware and instructions included
- Custom side-exit look finished with a 5.00-inch black ceramic tip and embossed logo
- Moderate sound level for an assertive tone without excessive cabin drone
- CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty
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Flowmaster American Thunder Cat-back Exhaust System – Super 50 Series, Aggressive / Moderate (17419)
- Deep, aggressive exterior tone with a moderate interior sound that won’t overwhelm the cab
- Heavy 16-gauge mandrel-bent aluminized steel tubing built for durability and maximum flow
- Includes the Super 50 Series performance muffler (PN 530562) — no extra muffler purchase needed
- Dual 2.50-inch tailpipes with two exit options: straight-back dual look or side-exit for towing
- Finished with polished 304 stainless steel tips embossed with the Flowmaster name
- CARB compliant and includes all hardware and instructions for an easy at-home install
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- Complete crossmember-back dual system with everything needed for a 1955-1957 Chevy coupe or sedan
- 2.50-inch mandrel-bent stainless steel for maximum flow, performance and long-term durability
- Super 40 Series mufflers deliver a deep, aggressive exterior tone with a moderate interior sound
- Built-in H-pipe smooths the note and eliminates back rap on deceleration
- Dual tailpipes tucked high for clearance, exiting cleanly under the rear bumper
- CARB compliant and backed by a Lifetime Limited Warranty
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- Complete crossmember-back dual exhaust system with new hangers and all hardware included for an easy, ready-to-install upgrade
- Super 40 Series mufflers and an H-pipe deliver a deep, powerful exterior sound with a moderate interior tone and no deceleration back-rap
- Built from 2.50-inch mandrel-bent stainless steel tubing with a durable 16-gauge pipe wall for smooth flow and lasting strength
- Dual mandrel-bent tailpipes exit straight out the back under the rear bumper for a muscular look, with tip style your choice
- CARB (California) compliant and emission code 5 rated, backed by Flowmaster’s Lifetime Limited Warranty
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- Cuts noise by approximately 8-10 decibels over open headers to help you stay within track sound limits
- Engineered for maximum power, maximum decibel reduction, and minimal weight — ideal for weight-conscious race builds
- Works with methanol or gas engines, giving you flexibility across motorsports applications
- Universal fit with a 3.00-inch inlet, so it adapts to a wide range of race setups
- Can be run with a turndown or added to an existing exhaust for even more sound reduction without losing power
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- Delivers a deeper, moderate exhaust tone with minimal resonance — aggressive sound without the interior drone
- Built from 16 gauge aluminized steel and fully MIG welded for maximum durability in heavy duty applications
- Designed to improve performance, throttle response and mileage on gas and diesel trucks
- Universal fitment with a 3.00-inch inlet makes it adaptable to a wide range of exhaust builds
- Ideal for trucks with modified engines that need a tough, free-breathing muffler
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- Deep, aggressive exterior sound with a moderate interior tone thanks to the tuned Super 50 Series muffler
- Bolt-on installation using factory hanger locations—do it at home with all included parts and hardware
- Choose Dual Out Rear for towing or Dual Out Side for a muscular straight-out-the-back look
- 16-gauge mandrel-bent aluminized steel tubing and dual 2.50-inch tailpipes for smooth, free flow
- CARB (California) compliant and finished with large 3.00-inch polished stainless steel tips
- Backed by a 3-year Limited Warranty and built specifically for the 2006-2008 Ram 1500 4.7L
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- Improves performance, throttle response, and mileage on heavy duty gas and diesel trucks
- Delivers a deeper, moderate tone with minimal resonance — ideal for modified engines
- 16 gauge aluminized steel body, fully MIG welded for maximum durability
- High-temperature paint finish adds heat and corrosion protection
- 3.00″ inlet with dual outlet and universal fitment for flexible custom builds
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- Deeper, moderate exhaust tone with minimal resonance — aggressive sound without highway drone
- Improves performance, throttle response, and mileage on heavy duty gas and diesel trucks
- 16 gauge aluminized steel, fully MIG welded for maximum durability
- High-temperature paint finish stands up to heat and harsh underbody conditions
- Universal fit with a 3.00-inch inlet and dual outlet for flexible custom exhaust builds
- Ideal for trucks with modified engines that want a purposeful, refined note
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- Flow equal to or surpassing open pipe systems while dramatically reducing sound across the RPM range
- Large 3.50-inch inlet diameter supports high-flow, high-output performance builds
- Universal fitment works on street trucks, diesel pullers, RV pushers, and dirt or asphalt racing
- Moderate sound level delivers aggressive tone without excessive drone
- Durable high-temperature paint finish stands up to demanding race-duty conditions
- Dyno- and track-developed Pro Series engineering from Flowmaster
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Flowmaster American Thunder Cat-back Exhaust System – Super 50 Series, Aggressive / Moderate (17425)
- Deep, aggressive exterior sound with a moderate interior tone thanks to the Super 50 Series performance muffler
- Bolt-on install using factory hanger locations, with all parts, hardware, and clamps included
- Choose your exit: behind the rear wheels for towing or straight out the back for a muscular look
- 16-gauge mandrel-bent aluminized steel construction with large 3.00-inch polished stainless steel tips
- CARB (California) compliant and emissions-legal, backed by a 3-Year Limited Warranty
- Purpose-built fitment for 2000-2006 Toyota Tundra 4.7L trucks
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Flowmaster American Thunder Cat-back Exhaust System – Super 40 Series, Aggressive / Moderate (17428)
- Aggressive exterior tone with a moderate interior sound that won’t drive you out of the cab
- Heavy 16-gauge mandrel-bent aluminized steel with an included Super 40 Series muffler for durability and flow
- Dual 2.50-inch tailpipes clear the factory spare and offer two exit choices — true dual rear or side-exit for towing
- Polished 304 stainless steel tips embossed with the Flowmaster name for a premium finish
- CARB (California) compliant and backed by a 3-year Limited Warranty
- Includes all necessary parts, hardware, and instructions for an easy at-home installation
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- Delivers improved performance, throttle response and mileage for heavy duty gas and diesel trucks
- Deeper, moderate tone with minimal resonance — aggressive without cabin drone
- Built from 16 gauge aluminized steel and fully MIG welded for maximum durability
- Ideal for trucks with modified engines that need reliable, controlled sound
- Universal fit with a 3.50-inch inlet for flexible exhaust integration
- High-temperature paint finish helps stand up to demanding under-truck conditions
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- Adds real, dyno-proven power — up to 12 hp and 13 lb-ft at the rear wheels
- High Clearance design tucks the tip up for a better departure angle when off-roading
- Durable 3.00-inch mandrel-bent 409 stainless steel maximizes flow and corrosion resistance
- Aggressive straight-pipe tone with a polished stainless tip and embossed logo
- CARB compliant and backed by Flowmaster’s Lifetime Limited Warranty
- Bolt-on install using factory mounting locations, new hangers, and all included hardware
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- Fully polished double-wall stainless steel construction for lasting shine and durability
- 2-1/2 inch inlet to 3 inch dual outlet delivers an aggressive twin-exit look
- Dual angle-cut, round tip style with an embossed Flowmaster logo for authentic branding
- Clamp-on installation with universal mounting orientation for easy, adaptable fitment
- Rated High Performance and sold individually so you can build a matched set
- Designed for 2.50 inch pipe sizes to pair with your existing exhaust system
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- Tuned to work with Flowmaster mufflers for improved sound reduction
- Helps eliminate interior resonance and cruising drone
- Built from durable 16-gauge aluminized steel with black high-temp paint
- 3.00″ offset inlet and outlet with straight-pipe connections
- High-performance grade resonator from Flowmaster
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- Upgrades to 3-inch mandrel-bent stainless steel tubing for improved flow over the factory exhaust
- Super 50 Series muffler delivers a mild interior and moderate exterior tone — refined, not loud
- Bolt-on install using factory hanger locations, with all necessary parts and hardware included
- Finished with a 3.50-inch polished stainless steel tip for a subtle custom look
- Ideal for daily drivers and light towing of boats or RVs
- CARB compliant and backed by Flowmaster’s Lifetime Limited Warranty on stainless steel
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Flowmaster American Thunder Cat-back Exhaust System – Super 50 Series, Aggressive / Moderate (17429)
- Heavy 16-gauge mandrel-bent aluminized steel tubing built for durability and maximum flow
- Aggressive exterior tone with a moderate interior tone that won’t drown out conversation in the cab
- Dual 2.50-inch tailpipes clear the factory spare tire with straight-back or side-exit options — ideal for towing
- Finished with highly polished 304 stainless steel tips embossed with the Flowmaster name
- Fits 2WD and 4WD with all wheelbases and includes all parts, hardware, and instructions for easy at-home installation
- CARB compliant and backed by a 3-year Limited Warranty
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- Deep, aggressive exterior sound with a moderate interior tone from the Super 40 Series muffler
- 16-gauge mandrel-bent stainless steel construction backed by a Lifetime Limited Warranty
- DOR/DOS design lets you exit behind the rear wheels for towing or straight out the back for a muscular look
- Dual 2.50-inch tailpipes finished with large 3.00-inch polished stainless steel tips
- Bolt-on install using factory hanger locations with all parts and hardware included
- CARB compliant and emissions-legal, fitting 2WD and 4WD 2004-2008 F-150 and Lincoln Mark LT 4.6L/5.4L
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