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Exhaust› Exhaust Pipes, Systems and Components

Diamond Eye Performance

Diamond Eye 4 Aluminized Steel Exhaust Kit w/ HX40 Turbo - K4214A-1-HX40 (Fits Select Diesel Trucks)

$1,182.41 $550.16 Save $632.25

SKU: D005 K4214A-1-HX40

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Diamond Eye K4214A-1-HX40 is a 4-inch turbo-back dual aluminized exhaust system for 1994-2002 Dodge 5.9L Cummins Diesel 2500/3500 trucks. It features mandrel-bent tubing for maximum flow, direct fit, and utilizes OEM hangers. This system is designed to increase fuel economy, lower EGTs, and increase horsepower and torque.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDiamond Eye Performance
Part NumberD005 K4214A-1-HX40

Videos

4 inch Diamond Eye Exhaust Install

4 inch Diamond Eye Exhaust Install
🔥 Diamond Eye 5" Exhaust upgrade on 5.9 Cummins |Complete Install 1999 Dodge 3500

🔥 Diamond Eye 5" Exhaust upgrade on 5.9 Cummins |Complete Install 1999 Dodge 3500
Diamond Eye 4" Exhaust with Muffler Install - Before & After Sound

Diamond Eye 4" Exhaust with Muffler Install - Before & After Sound

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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