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Diamond Eye Performance

Diamond Eye K5216A-1-HX40 Aluminized Exhaust System Kit for HX40 Turbo

$986.18 $461.35 Save $524.83

SKU: D005 K5216A-1-HX40

In Stock
In Stock
Ships by Jun 12
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Diamond Eye 5" aluminized turbo back exhaust kit without muffler; includes HX40 downpipe for 94-02 5.9L Cummins. Fits all cab and bed lengths. Includes all clamps, hangers and brackets. Benefits include increased fuel economy, lower EGT's, increased horsepower and torque, aggressive sound, and better throttle response.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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 K5216A-1-HX40

Videos

🔥 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
How to Install a 4" Diamond Eye Exhaust | DO NOT BUY FROM THE HUNGRY DIESEL!

How to Install a 4" Diamond Eye Exhaust | DO NOT BUY FROM THE HUNGRY DIESEL!
DIESEL TALK | DIAMOND EYE EXHAUST

DIESEL TALK | DIAMOND EYE EXHAUST
MBRP vs Flo-Pro vs Diamond Eye | 1st Gen Cummins Exhaust Comparison

MBRP vs Flo-Pro vs Diamond Eye | 1st Gen Cummins Exhaust Comparison
4in Exhaust Install & Review | DIAMOND EYE | 5.9 CUMMINS

4in Exhaust Install & Review | DIAMOND EYE | 5.9 CUMMINS
Diamond Eye Exhaust Install on a RAM 2500.

Diamond Eye Exhaust Install on a RAM 2500.
Project Nice Truck 6: Diamond Eye 4" Exhaust Install

Project Nice Truck 6: Diamond Eye 4" Exhaust Install
Diamond Eye Exhaust Install On 5.9 Cummins

Diamond Eye Exhaust Install On 5.9 Cummins
5in DiAmond EyE Exhaust inStall| it sounds awesome!

5in DiAmond EyE Exhaust inStall| it sounds awesome!

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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