MagnaFlow Custom Builder 4in Turbo-Back Exhaust Ford 7.3L Power Stroke

SKU: mag17878 UPC: 888563084329
In stock
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.

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Regular price $1,286.00
Heavy & Oversized Item This item ships by freight. Shipping isn't calculated at checkout — we'll contact you with a freight quote after your order is placed.

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

17878 is part of MagnaFlow's Custom Builder Pipe series, and it is a turbo-back kit rather than a cat-back or filter-back. The system starts at the turbocharger, so it replaces considerably more of the exhaust than the bolt-on kits do.

Piping is 4in mandrel-bent stainless running to a single passenger side rear exit. MagnaFlow tunes this one loud, rating it aggressive inside the cab and very aggressive outside.

This is not a driveway install. Builder pipe kits are supplied to be fitted to the truck, and cutting, welding and some fabrication should be expected. Plan on a shop with an exhaust bench. Limited lifetime warranty.

The source listing gives 1999-2003 Ford F-250/F-350 Super Duty 7.3L. MagnaFlow does not publish a year range for this part number, so confirm fitment before ordering.

Specs

  • Main piping: 4in mandrel-bent stainless
  • Layout: turbo-back
  • Exit: single, passenger side rear
  • Sound: very aggressive exterior, aggressive interior
  • Manufacturer Part Number: 17878

Shipping Height: 12.25

Shipping Length: 56.75

Shipping Width: 28.0

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