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This stainless steel bolt on exhaust system for the 2011 to 2018 GMC and Chevrolet 1500, crew cab / short bed and extra cab / standard bed with 6.2L engine uses Flowmaster's 50 Series Big Block muffler for a muscular exterior sound and 3.50 in. mandrel bent tubing throughout. The system features a polished, 4.00 in. embossed stainless tip and delivers noticeable performance gains while offering a moderate sound level inside and out. The system is a true bolt on with an OE style ball flange connection and it utilizes the factory exhaust hangers for easy at home installation. Flowmaster's lifetime limited warranty protects your investment for the life of the vehicle.
|Exhaust Series||Force II|
|Exit Position||Single Side|
|Heat Shield Attached||No|
|Inlet Diameter||3.500 in.|
|Inlet Inside Diameter||3.500 in.|
|Muffler Part Number||Kit Only|
|Muffler Series||50 Series Big Block|
|Outlet Diameter||3.500 in.|
|Outlet Outside Diameter||4.000 in.|
|Single or Dual||Single|
|System Type||Cat Back|
|Tail Pipe Diameter||3.500 in.|
|Tip Diameter||4.000 in.|
|Title||Flowmaster 817603 Cat-back System 409S - Single Side Exit - Force II - Moderate Sound|
|Tubing Diameter||3.500 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.
An upgraded exhaust system is one of the easiest modifications that offers an immediate, noticeable performance improvement. Whether you’re cruising an M3 or modding a diesel truck, an upgraded exhaust will open up the restrictive factory system, allowing your engine to breathe better and deliver peak power! From lighter weight exhaust headers to improved cat-back systems, to better sounding mufflers, modifying your exhaust setup is a great place to express the character of your ride in a unique and cost effective way. Whatever you’re looking for in a modified exhaust system, we can provide the absolute best systems to make your vision a reality.
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.