$326.12 - $352.07
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2004 GMC Sierra
Fits Following Model(s):
  • Crew Cab
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    Product Details

    MagnaFlow Exhaust Systems

    GMC Sierra Crew Cab 2004, Off-Road Pro Series™ Stainless Steel Exhaust System with Single Rear Exit by MagnaFlow®. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 4". Exhaust System Sound: Aggressive / Loud. The Off Road Pro-Series is designed for use on vehicles with highly modified suspension systems. Lifted, lowered, air bagged or long travel, the Off Road Pro-Series provides versatility that can accommodate nearly every configuration. The systems produce an aggressive performance exhaust note.

    Specifications:

    Exhaust Tubing Material: Stainless Steel
    Exit Location: Turn Down In Front Of Rear Tire
    Exit Configuration: Single
    Main Tubing Diameter: 4"
    Exhaust System Sound: Aggressive / Loud
    Muffler Quantity: 1
    Muffler Body Height: 7"
    Muffler Body Width: 7"
    Muffler Body Length: 14"
    Muffler Body Diameter: 7" H x 7" W
    Muffler Body Material: Stainless Steel
    Muffler Body Finish: Satin
    Muffler Body Shape: Round
    Tip Quantity: 1
    Tip Finish: Satin
    Tip Material: Stainless Steel
    Tip Type: Single Wall
    Tip Outlet Diameter: 4"
    Tip Length: 11.75"
    Tip Shape: Round
    Tip Style: Turndown
    400 Series Stainless Steel Construction
    400 Series Stainless Steel Turndown Tip

    Features:

    • Moderate - Aggressive Sound
    • Designed for Serious Off Road Racing
    • Aggressive Performance Exhaust Note
    • Turn Down Before the Axle Configuration
    • Stainless Steel Construction
    • Lifetime Warranty
    • High Flow Straight Through Design
    • Hassle Free Bolt-On Installation

    The MagnaFlow Off Road Pro-Series is engineered for maximum power and minimal weight, built to meet the demands of the serious racer.

    As with all other MagnaFlow products, the greatest care is taken to minimize restrictions on the gas flow. The mufflers are of the free-flow type, with no baffles to create back-pressure. The bends are mandrel bent for constant pipe diameter through the bend. All done to extract as many horsepower and as much torque as possible from your engine.

    The Off Road Pro-Series systems are built with the same state-of-the-art manufacturing technique as the systems intended for street use, built to the standard that allows MagnaFlow to provide a lifetime warranty on their products. These systems are much higher quality than can be achieved when building custom exhaust systems, and they eliminate the need for custom fabrication with true bolt-on fitment.

    For the serious racer, the Off Road Pro-Series provides the best exhaust systems available on the market.

    MagnaFlow® Performance Exhaust was launched as an extension of Car Sound Exhaust Systems, a company with 25 years of experience and earned reputation of the leader on the market worldwide. From street cars to monter truck competitions and tough rally competitions, MagnaFlow Performance Exhaust is well known and highly respected for its products' reliability and quality, performance and true sound.

    Warranty Information

    The manufacturer warrants that all Magnaflow Performance Products are free from defects. Most of exhaust products are warranted against blowouts and defects in material and workmanship for as long as the original purchaser owns the vehicle on which it was originally installed. The warranty is void if the exhaust products are not installed properly on the vehicle for which it is designed.

    This warranty does not apply to any exhaust product which has been installed on any commercial or racing vehicle or which has been improperly installed, altered, or subjected to misuse or damage from accidents. Also, cost of labor and any additional parts required to complete installation of a replacement product are not covered by this warranty.

    The warranty certificate, along with proof of purchase, MUST be presented to the service outlet from which you originally purchased the exhaust product, or any participating dealer, when making a claim for replacement. The original exhaust product must also be returned and exchanged for a new exhaust product of the same part number.

    No other warranty, expressed or implied (including merchantability), applies to the exhaust product, nor is any person or the manufacturer authorized to assume any other warranty. The manufacturer does not assume any responsibility for any consequential damages occurred by the exhaust product, or inconvenience or interruption in any operation.

    This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

    • Ceramic Coating: 1 Year Warranty
    • Finish: Black - 1 Year Warranty
    • Construction: Aluminized - 1 Year Warranty
    • Construction: Stainless - Lifetime Warranty
    • Mufflers: Lifetime Warranty
    • Cat-Backs: Lifetime Warranty
    • Federal EPA Converters Warranty:
    • Internal (Converter substrate): 2 Years, 25,000 Miles
    • External (Converter housing assembly) :5 Years, 50,000 Miles
    • California CARB Approved Converters Warranty:
    • Internal and External: 5 Years, 50,000 Miles
    • Federal EPA Converters Sold in New York:
    • Internal (converter substrate): 2 Years, 25,000 Miles
    • External (converter housing assembly): 5 Years, 50,000 Miles
    • California CARB Approved Converters Sold in New York:
    • Internal & External: 5 Years, 50,000 Miles
    Magnuson-Moss Warranty Act:
    Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

    Product Reviews

    (1)
    5

    Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for your new product, please follow the link in the email you receive after completing your purchase. You can rate appearance, ease of installation, price/value and product quality.

    MagnaFlow® - Off-Road Pro Series™ Stainless Steel Header-Back Exhaust System
    MagnaFlow® - Off-Road Pro Series™ Stainless Steel Exhaust System with Single Rear Exit
    Average Rating: 5 of 5
    5
    5 of 5
    Great!
    I have GMC Sierra. My boy is already 10 years, and I wanted to make him sound better and increase the performance. And you know, we've done it! Hurrah.
    APosted by (Blacklick, OH) /
    2007 GMC Sierra
    Was this review helpful for you? Yes
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