Flowmaster American Thunder Cat-back Exhaust System – Flowmaster (817342)

This American Thunder system fits 2001-2006 GM Suburban, Avalanche and Yukon XL 1500 SUV’s and increases the horsepower, torque and mileage of these popular trucks. The exhaust system is constructed from 16-gauge mandrel-bent stainless steel and has a flanged resonator assembly flowing into a specially tuned resonator and a Super 50 Series performance muffler producing a mild to moderate interior tone and a deep exterior sound. The dual 2.50-inch tailpipes exit out the side of the vehicle behind the rear tires and are finished off with large pair of 4.00-inch polished 304 stainless tips. All necessary parts and hardware are included for a great fitting installation and is covered by Limited Lifetime Warranty.
2001-2006 Chevrolet Suburban, Avalanche and GMC Yukon XL 1500 with 5.3L engine. Stainless Steel – Aggressive to moderate sound
01-06 SUB/AVAL/YKN XL AMT DOS 409S
SYS 01-06 SU
Does Not Fit with Auto-Leveling Option.
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