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Exterior Components› Body Panels and Components

Diamond Eye Performance

Diamond Eye ADAPTER 3.5in ID-4in OD SS

$68.69 $33.18 Save $35.51

SKU: D005 420044

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 420044

MIA's Description

The Diamond Eye Performance 420044 is an exhaust pipe adapter designed to simplify connections or tubing size changes. It is constructed from 409 stainless steel and measures 8 inches in length. This adapter features a 3.5-inch internal diameter and a 4-inch external diameter.

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 420044

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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