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Part #:

AFE 49-4302X MACH Force XP 4" Downpipe-Back Race Exhaust System

2008-2010 Ford 6.4L Powerstroke (All Crew Cabs)
Part #:
  4 Reviews
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  4 Reviews


The AFE 49-4302X MACH Force XP 4" Downpipe-Back Race Exhaust System for your 2008-2010 Ford 6.4L Powerstroke is constructed from 4" mandrel-bent stainless steel. This exhaust system features high-quality band clamps and OE-style bayonet hangers. Designed for ease of install, this exhaust system will reinstall using the factory mounting locations. The finishing touch is a polished, slash cut exhaust tip. MACH Force exhaust systems are the perfect combination of performance, fit and value.

Installation is a Snap:

All systems use factory mounting locations providing stability and hassle-free installation.

Leak-Free Seal:
High quality OE style flange, band clamps and sensor bungs are used for a complete 360 degree sealing surface.

Aggressive Sound:
A free-flowing 24" long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. Muffler delete pipe is also included for those who prefer a true race-inspired sound and maximum flow.

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:
This MACH Force XP exhaust systems is constructed of 4" mandrel bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.

  • Downpipe-Back Exhaust
  • T409 Stainless Steel Construction
  • 4" Mandrel Bends For Maximum Flow

System Options
With Muffler 49-13022
With Muffler & Delete Pipe 49-43022
Without Muffler 49-43023

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

Note: All Crew Cabs applies to Ford F-250/350 Pickups. This system is not intended for use on Cab & Chassis models.


  • Manufacturer Name AFE
  • Shipping Weight 69.00 lb.
  • Warranty Yes
  • Warranty Info 2 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm -


Good Pipe
Location: SD
Installed In under 4 hours. Had to do some modifications to make it fit but it works sounds great
Art Gale
Location: Caldwell,Id
Installed this system on an 08 F-350 farm pickup. Less than an hour to install and fit was perfect. Sounds great. Highly recommend.
AFE Install
Location: Washington
This kit was vary easy to install & the fit was great.I'm very happy with the sound ( not to loud ). I would buy their product again.
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Questions and Answers

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Most Popular Questions

Is there bungs in there to put the sensor back in?
View Staff Answer 

The kit does have bungs found in the Mid-Pipe. Click Here

Yes. This is a Drop-In Replacement for your Stock Turbocharger.
Does this include the 4" downpipe?
View Staff Answer 

The AFE 49-4302X MACH Force XP 4" Downpipe-Back Race Exhaust System does not include the down pipe. One can purchase the AFE 49-43025 MACH Force XP 4" Race Down Pipe to make this a full Turbo-Back Exhaust.

Will this fit a 2010 F-350 Crew Cab/Short Bed? Want to make sure I have the correct fit for the short bed.
View Staff Answer 

The AFE 49-4302X MACH FORCE XP 4" DOWNPIPE-BACK RACE EXHAUST SYSTEM will fit both crew cab short bed and crew cab long bed 2008-2010 Ford 6.4L Powerstroke vehicles.

Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.