Sale

Exhaust Exhaust Pipes, Systems and Components

Diamond Eye Performance

Diamond Eye 4 Aluminized Steel Performance Single Exhaust System Kit

$615.81 $293.72 Save $322.09

SKU: D005 K4378A-1

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

This Diamond Eye exhaust kit is a 4-inch DPF back system available in both aluminized steel and T409 stainless steel. It features mandrel-bent tubing for maximum flow, a vented stainless steel tip, and is designed for direct fitment. Benefits include increased fuel economy, lower EGTs, increased horsepower and torque, aggressive sound, and better throttle response. It's an easy bolt-on kit that utilizes OEM hangers.

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 K4378A-1

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.

View Full Return Policy