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For the person who is looking for a complete Cat-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. Delivers an aggressive exterior and moderate interior tone and is well suited to the enthusiast owner. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
|Exhaust Series||American Thunder|
|Exit Position||Dual Rear|
|Heat Shield Attached||No|
|Inlet Diameter||3.000 in.|
|Inlet Inside Diameter||3.000 in.|
|Muffler Part Number||Kit Only|
|Muffler Series||Super 40 Series|
|Outlet Diameter||3.000 in.|
|Outlet Outside Diameter||3.000 in.|
|Single or Dual||Dual|
|System Type||Cat Back|
|Tail Pipe Diameter||3.000 in.|
|Tip Diameter||4.000 in.|
|Title||Flowmaster 817499 Cat-back System 409S - Dual Rear Exit - American Thunder - Moderate/Aggressive|
|Tubing Diameter||3.000 in.|
*Some manufacturer restrictions apply.
Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels.
Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.
The best modders use Wheelwell to build their dream rides.