Diamond Eye Performance
Diamond Eye 121024 4in Connecting Pipe - 1991-2007 Ford F-250/F-350 | Aluminized
Diamond Eye 121024 4in Connecting Pipe - 1991-2007 Ford F-250/F-350 | Aluminized
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121024 is a 4″ aluminized intermediate connecting pipe from Diamond Eye Performance for turbo-back and cat-back single or dual systems, stepping 3-1/2″ to 4″. Fits 1991-2003 Ford F-250/F-350 7.3L and 2003-2007 Ford F-250 6.0L Powerstroke diesel.
Vehicle Fitment
- 1991-1998 Ford F-250
- 1991-1998 Ford F-350
- 1999-2003 Ford F-250 Super Duty
- 1999-2003 Ford F-350 Super Duty
- 2004-2007 Ford F-250 Super Duty
Please verify exact fitment for your trim and engine before ordering.
Manufacturer Part Number: 121024
Images are for illustrative purposes only. Actual product may vary.
Emissions Note: This product is not CARB approved and is not legal for sale or use on pollution-controlled motor vehicles in California, or in states that have adopted California emission standards. It is intended for off-road / racing use only. It is the responsibility of the installer/end-user to ensure compliance with all applicable federal, state and local emissions regulations.
⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
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Manufacturer's Warranty — Diamond Eye Performance
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Manufacturer's Warranty — Diamond Eye Performance
Diamond Eye Performance does not publish a consumer warranty. There is no warranty, returns or terms page anywhere on the manufacturer's site, and no coverage period appears in its published material — the only policy page it has ever had, Conditions of Use, has been marked “Under Construction” since 2011. Any warranty length quoted for Diamond Eye elsewhere comes from a reseller, not from the manufacturer, so we do not repeat a figure here. Diamond Eye manufactures its own exhaust components and will consider a genuine manufacturing defect, but with no published term we will not state one on its behalf. Contact us with your part number, proof of purchase and clear photos of the fault and we will take the claim up for you.
Warranty terms are set by the manufacturer and may change. Contact us if you need help with a warranty claim.

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