Flowmaster American Thunder Cat-back Exhaust System – Flowmaster (817494)

For the serious enthusiast who is looking for all the performance benefits of a complete Cat-back dual exhaust system, this is it. As an American Thunder system, it delivers an aggressive exterior sound level and a moderate interior tone that is suited to the enthusiast who wants to be heard. With maximum performance and easy fit in mind, the system is mandrel bent and includes specially engineered mufflers featuring Delta Flow technology. A Scavenger Series X-pipe is used to maximize exhaust pulse velocity for better torque and helps keep that classic muscle car tone. Maximum increases of 17 hp and 19 ft-lb. torque at the rear wheels. 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 a simple installation.
Fits 2005-2010 Ford Mustang GT, GT500, California Special or convertible with 4.6L or 5.4L engine. 3.00-inch mandrel bent pipes with Scavenger Series X-pipe. – Aggressive sound
05-10 MUSTANG 3″ CAT-BACK AMT 409S
SYS 05-10 MU
Manufacturer of performance exhaust systems, mufflers, performance air intakes, 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 4 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. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Specifications

Vehicle Fitment