aFe® - Mach Force XP Exhaust System

2008 GMC Sierra
aFe® - Mach Force XP DPF-Back Exhaust System aFe® - Mach Force XP DPF-Back Exhaust System aFe® - Mach Force XP Turbo Back Exhaust System aFe® - Mach Force XP Turbo Back Exhaust System aFe® - Mach Force XP Turbo Back Exhaust System aFe® - Mach Force XP Turbo Back Exhaust System aFe® - Catalog aFe® - Mach Force XP Cat-Back Exhaust System Installation Video 602x420 aFe Authorized Dealer
Item Number: 1066977
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GMC Sierra 2008, Mach Force XP Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability.

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Originally $572.40 - $1,028.71
$457.92 - $822.97
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    aFe® - Mach Force XP Cat-Back Exhaust System
    49-44006

    Cat-Back Exhaust System

    Mach Force XP Cat-Back Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Cat-Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the Cat (Catalytic Converter).

    Manufactured - Usually ships within 3 to 5 days

    $484.92
    aFe® - Mach Force XP Cat-Back Exhaust System
    49-44005

    Cat-Back Exhaust System

    Mach Force XP Cat-Back Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Cat-Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the Cat (Catalytic Converter).

    Manufactured - Usually ships within 3 to 5 days

    $484.92
    aFe® - Mach Force XP DPF-Back Exhaust System
    49-44004

    DPF-Back Exhaust System

    Mach Force XP DPF-Back Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP DPF-Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the DPF (Diesel Particulate Filter).

    Manufactured - Usually ships within 3 to 5 days

    $457.92
    aFe® - Mach Force XP Turbo Back Exhaust System
    49-44033

    Turbo Back Exhaust System (w/o Muffler)

    Mach Force XP Turbo Back Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Turbo Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the turbocharger and retains the catalytic converter, if equipped.

    OUT OF STOCK - Unavailable until further notice

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    $699.37
    aFe® - Mach Force XP Turbo Back Exhaust SystemaFe® - Mach Force XP Turbo Back Exhaust System
    49-44033-B

    Turbo Back Exhaust System (with Muffler and Black Tip)

    Mach Force XP Turbo Back Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Turbo Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the turbocharger and retains the catalytic converter, if equipped.

    Manufactured - Usually ships within 3 to 5 days

    $822.97
    aFe® - Mach Force XP Turbo Back Exhaust SystemaFe® - Mach Force XP Turbo Back Exhaust System
    49-44033-P

    Turbo Back Exhaust System (with Muffler and Polished Tip)

    Mach Force XP Turbo Back Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Turbo Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the turbocharger and retains the catalytic converter, if equipped.

    In Stock - Usually ships within 24 to 48 hours

    $771.47
    aFe® - Mach Force XP Turbo Back Exhaust System
    49-44017

    Turbo Back Exhaust System (with Muffler)

    Mach Force XP Turbo Back Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Turbo Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability. This system begins at the turbocharger and retains the catalytic converter, if equipped.

    aFe® - Mach Force XP Turbo Back Exhaust System Installation Instruction

    Manufactured - Usually ships within 3 to 5 days

    $616.97
    Total: $0.00
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    Product Details

    GMC Sierra 2008, Mach Force XP Exhaust System by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel-bent stainless steel for maximum flow and long-lasting durability.

    aFe FAQs aFe Warranty About aFe

    Features:

    • Up to 29% greater exhaust flow than stock system
    • Increases horsepower and torque
    • Improves performance
    • Lowers exhaust gas temperature
    • Flow bench and dyno tested
    • Tubes mandrel-bent from 409 stainless steel
    • Welded hangers with swaged ends
    • Slotted and swedged ends
    • Premium quality band clamps
    • Includes polished or powder coated black exhaust tip
    • Backed by a 2-year limited warranty
    • Proudly made in the USA

    A performance exhaust system is one of the most common ways of improving a vehicle's operation. The theory is simple; just reduce restriction to increase exhaust flow and you gain power. But all exhaust systems are not created equal; in reality there's more to it than just selling some sewer pipe sized tubes.

    aFe tests its systems on the flow bench and the dynamometer to determine the right pipe size and muffler construction. Then they mandrel bend the pipes to ensure they maintain their shape and size throughout the entire length, to provide smooth, unrestricted airflow. Tubes that are not mandrel bent can lose up to 20% of their diameter in sharp bends. An 8" diameter by 30" length, straight, flow-through, perforated muffler is included in systems that feature a muffler. Some systems also include a straight muffler delete pipe if a more aggressive sound and maximum flow is desired. A typical aFe system will increase exhaust flow by up to 29% and lower EGT (Exhaust Gas Temperature) by up to 100º, with a corresponding improvement in power and performance.

    But performance is only part of the equation. A quality exhaust system should be easy to install and made to last. The muffler and all pipes of the Mach Force XP system are constructed from durable 409 stainless steel. To ensure a tight seal, slotted and swedged ends are used whenever possible. When used with the supplied premium quality band clamps, the tightest, leak-free seal is the result. Every hanger is thoroughly welded on each side to ensure a strong attachment and the hangers also feature swaged bayonet ends to lock in place once installed.

    To finish off the system, aFe includes a polished or powder coated black exhaust tip with every Mach Force XP exhaust system. Every system comes with clamps, hangers and detailed instructions to guide you through the installation. The Mach Force XP Exhaust System is made in USA.

    457.92 822.97
    Brand: aFe       Part Numbers:
    bill me later aFe Accessories

    aFe® (Advanced Flow Engineering, Inc.) manufactures performance products for late model cars, light trucks and SUVs. The company was founded in 1999 with an initial concentration on high performance air filters. Since then, the company product line has broadened to include cold air intakes, fluid filters, exhaust systems, intake manifolds, intercoolers, programmers, differential covers, transmission pans and throttle body spacers. The team of engineers, machinists, production and sales people at aFe® have many years of experience in their respective positions, and together work to ensure they produce the best automotive products on the market.

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