MBRP S6212409 - 4-Inch XP409 Stainless Turbo-Back Exhaust for 2003-2007 Ford 6.0L Power Stroke

• Your 2003-2007 F-250/F-350 has the 6.0L Power Stroke.
• You want T409 stainless construction and a Lifetime Warranty on a turbo-back.
• You drive in a climate where road salt or humidity make corrosion resistance a priority.

• Your truck is a Regular Cab without the separate adapter (MBRP FS9449).
• Your truck is an F-350/450/550 Cab & Chassis.
• Lower upfront cost is the priority - see S6212P 4-inch aluminized turbo-back exhaust or S6212AL 4-inch aluminized turbo-back exhaust.
• You want MBRP's top-tier T304 stainless instead - see S6212304 4-inch T304 stainless turbo-back exhaust.

• Confirm your cab type - Regular Cab trucks require the separate adapter (MBRP FS9449).
• Confirm the factory catalytic converter is in place - not included with this system.
• Confirm your ship-to address is outside California and Colorado.

• Catalytic Converter: The factory catalytic converter must remain in place.
• Cab & Chassis: This system is not designed for F-350/450/550 Cab & Chassis trucks.
• Regular Cab: Regular Cab trucks require the separate adapter (MBRP FS9449).

S6212409 Specs and Fitment

The S6212409 checks out on the key order-gating specs:

If your truck, system type, and ship-to address match, this is the correct system to order.

Avoid These Common Mistakes

• Ordering for a Regular Cab truck without the adapter. Regular Cab installations require the separate adapter (MBRP FS9449).
• Assuming the catalytic converter is included. This system does not include or replace the catalytic converter - it retains your factory cat.
• Ordering for a Cab & Chassis truck. This system fits F-250/F-350 pickups only.

If these checks match, the S6212409 is the right MBRP system to order for a 2003-2007 Ford F-250/F-350 6.0L Power Stroke when you want T409 stainless construction and a Lifetime Warranty on a turbo-back with the factory cat retained.

Frequently Asked Questions