• MBRP GMAL413 4" Regular Cab Adaptor Pipe - 2001-2005 Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6.6L Duramax | Aluminized
  • MBRP GMAL413 4" Regular Cab Adaptor Pipe - 2001-2005 Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6.6L Duramax | Aluminized
  • MBRP GMAL413 4" Regular Cab Adaptor Pipe - 2001-2005 Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6.6L Duramax | Aluminized
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MBRP

MBRP GMAL413 4" Regular Cab Adaptor Pipe - 2001-2005 Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6.6L Duramax | Aluminized

MBRP GMAL413 4" Regular Cab Adaptor Pipe - 2001-2005 Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6.6L Duramax | Aluminized

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Upgrade your 2001-2005 Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6.6L Duramax with the MBRP GMAL413 4" regular cab adaptor pipe. Built from aluminized steel as a direct bolt-on replacement.

Key Features

  • 4" Regular Cab Adaptor Pipe
  • Material: Aluminized Steel

Vehicle Fitment

  • 2001-2005 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax (Regular Cab/Long Bed)
  • 2001-2005 GMC Sierra 2500HD / 3500HD 6.6L Duramax (Regular Cab/Long Bed)

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

Manufacturer Part Number: GMAL413

Note: Product images are for reference only and may differ from the actual product.

⚠ Emissions Note: Cat-back system installs after the catalytic converter and retains all factory emissions equipment.

⚠ CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including chromium, nickel, which are known to the State of California to cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov.

Manufacturer's Warranty — MBRP

MBRP warranty varies by series. Exhaust: Armor Pro (T304 stainless) and Armor Plus (T409 stainless) — Limited Lifetime; Armor Lite (aluminized) — 3 years; Armor BLK (black-coated aluminized) — 1 year on the coating and 3 years on the remaining components. Powersports slip-ons: Sport, Performance and Utility Series — 1 year; Race and Trail Series — 2 years. Covers defects in workmanship or material; surface rust and discoloration from heat are not covered.

Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by MBRP. Contact us if you need help with a warranty claim.

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