• Diamond Eye K4168S 4in DPF-Back Dual Exhaust Kit - 2016-2017 Chevrolet/GMC 6.6L Duramax 2500/3500 | T409 Stainless
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Diamond Eye Performance

Diamond Eye K4168S 4in DPF-Back Dual Exhaust Kit - 2016-2017 Chevrolet/GMC 6.6L Duramax 2500/3500 | T409 Stainless

Diamond Eye K4168S 4in DPF-Back Dual Exhaust Kit - 2016-2017 Chevrolet/GMC 6.6L Duramax 2500/3500 | T409 Stainless

$ 601.16
$ 661.28 $ 601.16
Free shipping on orders over $99 (contiguous U.S.) — flat $10.99 under $99. Shipping details
✕ Out of Stock
Ships from Diamond Eye Performance — this item ships direct from the manufacturer. It usually goes out quickly, but because it leaves their warehouse rather than ours, delivery can take a little longer than our in-stock parts.

K4168S is a 4″ T409 stainless steel performance diesel exhaust kit, diesel particulate filter back, dual configuration. Fits 2016 and 2017 Chevrolet/GMC 6.6L Duramax diesel 2500/3500 in all cab and bed lengths.

Vehicle Fitment

  • 2016-2017 Chevrolet Silverado 2500 HD
  • 2016-2017 Chevrolet Silverado 3500 HD
  • 2016-2017 GMC Sierra 2500 HD
  • 2016-2017 GMC Sierra 3500 HD

Please verify exact fitment for your trim and engine before ordering.

Manufacturer Part Number: K4168S

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.

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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