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Flowmaster's race-oriented Outlaw Extreme Cat-back system is designed for the enthusiast looking for the maximum sound level and performance from their 1986 to 2004 V8 Mustang. The turn-down tailpipes drop at the rear of the transmission and eliminates full length tailpipes to maximize the sound level and allow for extra clearance for wide tires and modified suspensions. This mandrel bent system is designed to mount behind the factory catalytic converters, or most OEM style aftermarket H-pipes. This Outlaw Extreme system delivers a super aggressive interior and exterior tone and is suited to the enthusiast who wants the most aggressive components they can purchase. Like all Flowmaster systems, the benefits include improved throttle response and power. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
|Catalytic Converter Included||No|
|Heat Shield Attached||No|
|Inlet Inside Diameter||2.500 in.|
|Mount Type||Uses Factory Hangers|
|Muffler Body Shape||Round|
|Muffler Finish||Stainless Steel|
|Muffler Inlet Diameter||2.500 in.|
|Muffler Outlet Diameter||2.500 in.|
|Muffler Part Number||Kit Only|
|Muffler Type||Welded Baffle|
|Outlet Outside Diameter||2.500 in.|
|Single or Dual||Dual|
|System Type||Cat Back|
|Tail Pipe Diameter||2.500 in.|
|Tip Edge Style||Cut|
|Tip Length||6.000 in.|
|Tip Material||Stainless Steel|
|Tip Type||Single Wall|
|Title||Flowmaster 817682 Cat-back System 409S - DOD Exit - Outlaw Extreme - Aggressive Sound|
*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.
For 1988 Ford Mustang
The best modders use Wheelwell to build their dream rides.