0
0
×
Account Login
1-800-345-4545
Gift Cards
Track Order
Help Center

Flowmaster American Thunder Cat-Back Exhaust System 1999-2006 GM Silverado/Sierra 4.8L/5.3L (Ext Cab)

389-817395

made in usa

Product Q&A
View Now
Click image to zoom
American Thunder Cat-Back Exhaust System 1999-2006 GM Silverado/Sierra 4.8L/5.3L (Ext Cab)
$709.95
Oversize Fee:$19.99
American Thunder Cat-Back Exhaust System
  • 1999-2006 GM Silverado/Sierra 4.8L/5.3L (Ext Cab)
  • 2.5" Tubing
  • 3" Polished SS Tips
  • Dual Same Side Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
  • Estimated to ship direct from manufacturer on 03/21/24 , pending manufacturer availability. Learn More
    QTY

    Items You May Also Consider

    817395 is rated 4.3 out of 5 by 3.
    Rated 5 out of 5 by from nice 30 minute install. Seat of the pants power feels strong sounds great interior noise moderate 1.2 mpg gain looks good.
    Date published: 2015-11-24
    Rated 5 out of 5 by from Overall amazing I have had this for 2 months now and I have noticed better fuel mileage and much higher horsepower and tourque. And at the same time I get an awesome sound to!!
    Date published: 2015-06-05
    Rated 3 out of 5 by from Bought this to replace a Flowmaster that rusted apart, tip was dented in the box and the tailpipe assembly did not fit into the muffler outlets, sounds good though
    Date published: 2014-11-03
    • y_2024, m_3, d_18, h_10
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.38
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_3
    • loc_en_US, sid_10001_10001_1635314, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Related Products

    Patented Straight-Through TechnologyPatented Multi-Core TechnologyUnleash Hidden HorsepowerDistinctive Borla Sound Of PowerAbsolute Best In Performance And DurabilityEnsure Maximum Flow And PowerCNC Manufacturing Ensures An Accurate FitMillion Mile Warranty. GM Cat-Back Exhaust Systems.
    Close
    Patented Straight-Through TechnologyPatented Multi-Core TechnologyUnleash Hidden HorsepowerDistinctive Borla Sound Of PowerAbsolute Best In Performance And DurabilityEnsure Maximum Flow And PowerCNC Manufacturing Ensures An Accurate FitMillion Mile Warranty. Chrysler/Dodge Cat-Back Exhaust Systems.
    Close
    Patented Straight-Through TechnologyPatented Multi-Core TechnologyUnleash Hidden HorsepowerDistinctive Borla Sound Of PowerAbsolute Best In Performance And DurabilityEnsure Maximum Flow And PowerCNC Manufacturing Ensures An Accurate FitMillion Mile Warranty. General Motors Cat-Back Exhaust Systems.
    Close

    Recently Viewed

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.