Exhaust Exhaust Pipes, Systems and Components

Dinan

FREEFLOW EXHAUST; G01 X3 M40i

$2,366.62

SKU: D00G D660-0099

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Dinan D660-0099 is a valved cat-back exhaust system with black tips for BMW X3 M40i (G01) and X4 M40i (G02) models from 2018-2025 with the 3.0L B58 engine. It is made from brushed 100% T304 stainless steel, TIG welded, and requires no cutting for installation, using factory mounting points.

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

BrandDinan
Part NumberD00G D660-0099

Videos

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