For extra visual impact, there is the option to add a hand-crafted carbon fibre diffuser. Produced in-house, this lightweight accessory – with ABE type approval – is designed to show off the tailpipes of The Akrapovic exhaust at their absolute best.This product fits on xDrive, CSL, LCI and M4 (G83) Competition models.
This Part Fits:
Year
Make
Model
Submodel
2021-2025
BMW
M3
Base
2021-2025
BMW
M3
Competition
2022-2025
BMW
M3
Competition xDrive
2024
BMW
M3
CS
2021-2026
BMW
M4
Base
2021-2026
BMW
M4
Competition
2022-2026
BMW
M4
Competition xDrive
2025
BMW
M4
CS
2023
BMW
M4
CSL
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TERMS (REQUIRED)
OFF-ROAD USE POLICY & EMISSIONS COMPLIANCE NOTICE
California Proposition 65 Warning:
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of
California to cause cancer or birth defects or other reproductive harm. For more information, visit
www.P65Warnings.ca.gov.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell,
install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public
roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB),
it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Civil penalties up to $4,819 per violation per vehicle
Possible criminal penalties under the Clean Air Act
Revocation of registration or smog certification by DMV or local authorities
State & Local Regulations:
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local
regulations before purchasing or installing emissions-related products.
Intended Use & Customer Certification:
All performance, racing, or competition parts sold by this company are intended solely for off-road,
closed-course, or competition use on vehicles that are never registered or used on public highways.
Company Policy Statement
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the
use of emission-control defeat devices or any modification that violates the Clean Air Act or state
regulations.
