2008-2010 Powerstroke 6.4L 4" Downpipe Kit (421011 / 422011)
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Description
Description
Features
Features
- 4" Downpipe
- Increased Power
- Increased Fuel Mileage
- Aluminized & Stainless Steel Options
- Fits OEM Turbo & Exhaust
Stainless vs Aluminized
Stainless vs Aluminized
Aluminized steel is the budget-friendly choice. It has a protective coating that holds up well, but once that coating wears it will eventually rust through, especially in salted winter climates. The stainless option is T409 stainless, an automotive-grade steel built to resist rot, and it will typically outlast the truck. T409 is not polished show-grade stainless, so light surface rust or discoloration can still show up over time. That is cosmetic only and won't affect performance or service life.
Notes
Notes
- This will Only fit Ford F-Series Powerstrokes with an Automatic Transmission
Questions and Answers
Questions and Answers
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2008-2010 Powerstroke 6.4L 4" Downpipe Kit (421011 / 422011)
