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Diamond Eye 4" Single Aluminized Turbo-Back Muffler Replacement Pipe Kit for 1989-1993 Dodge W250/W350 (5.9L) K4211A-RP

$903.68

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Diamond Eye 4" Single Aluminized Turbo-Back Muffler Replacement Pipe Kit for 1989-1993 Dodge W250/W350 (5.9L) K4211A-RP

$903.68

$903.68

Fits 1989-1993 Dodge W250 and W350 models equipped with the 5.9L Cummins engine.

The Diamond Eye K4211A-RP turbo-back exhaust kit is engineered to significantly reduce backpressure and lower exhaust gas temperatures (EGTs) by replacing the restrictive factory system. This kit features a muffler replacement pipe (muffler delete) to provide a straight-through flow path, maximizing the performance and sound of the 12-valve Cummins powerplant. Constructed using CNC mandrel-bending technology, the 4-inch aluminized steel tubing maintains its diameter throughout every bend for consistent exhaust velocity.

  • System Type: Turbo-Back
  • Tubing Diameter: 4.0"
  • Exit Style: Single Exit
  • Material: Aluminized Steel
  • Includes: Muffler replacement pipe for maximum flow
  • Manufacturing: CNC Mandrel-bent for optimal exhaust scavenging
  • Manufacturer Part Number: K4211A-RP
🔧 Fitment & Compatibility
Year Make Model Submodel
1989-1993 Dodge W250 Base
1989-1993 Dodge W350 Base

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