aFe MACH Force XP 5" Down-Pipe Back Race Exhaust System 2011-2015 GM Duramax 6.6L LML
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aFe MACH Force XP 5" Down-Pipe Back Race Exhaust System 2011-2015 GM Duramax 6.6L LML

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$916.70
SKU:
49-44035NM
Size Chart

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2011-2015
GM 6.6L Duramax LML

The AFE 49-44035 MACH Force XP 5" Down-Pipe Back Race Exhaust System for your 2011-2015 GM 6.6L Duramax is a true 5" from the down-pipe back, the MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 5" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT’s. The 2-piece tailpipe and bayonet style hangers provide a hassle-free installation. To provide a leak-free seal, OE style band clamps are used that offer a 360º sealing area. A 30" free-flowing straight-through designed muffler is used to produce a deep, powerful sound.

Installation is a Snap:
MACH Force XP exhaust systems utilize a 2-piece tailpipe design for a perfect fit by allowing adjustability at the tailpipe section. All systems use factory mounting locations providing stability and hassle-free installation.

Leak-Free Seal: High quality OE style band clamps are used for a complete 360º sealing surface.

Aggressive Sound:
A free-flowing 30" long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig.

Perfect Fit:
OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Flow and Performance:
MACH Force XP exhaust systems are constructed of mandrel bent 5" stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT’s.

System Options

  • No Muffler, No Tip 49-44035NM
  • Black Tip 49-44035-B
  • Polished Tip 49-44035-P

Fitment Note: This exhaust will only fit 2015 models manufactured before July 2014. Models built after July of 2014 are equipped with a 3-bolt down pipe flange connection that is not compatible with this product.

This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.

Not legal for sale or use in California on pollution controlled motor vehicles.

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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Non Race Performance Products

Products not for sale or use in California
or on Emission Controlled Vehicles

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