BMW G20 CMST Style Rear Diffuser
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$399.99
or split into monthly payments with Shop Pay As low as $100/mo, 0% APR
Color: Without LED Brake Light
🛠 Built to Order in Tampa, FL
OEM-Level FitmentTest-fitted before it ships
Install SupportText us — we'll help
We Know Your PlatformBuilt by enthusiasts
Transform your BMW G20's rear end with this CMST-style rear diffuser, engineered to enhance aerodynamics and deliver an aggressive, track-inspired aesthetic. Crafted from high-quality materials, this diffuser reduces rear lift at highway speeds while adding visual impact that turns heads.
Perfect for enthusiasts seeking performance upgrades without sacrificing daily drivability. Direct bolt-on installation means no cutting or modifications required. Pair it with other aerodynamic upgrades for a complete, cohesive look that sets your G20 apart from the crowd.
We test-fit every piece before shipping. Direct bolt-on — no modifications required. If you're unsure whether this fits your exact build, contact us with your VIN or photos and we'll confirm before you order.
Most items are built to order & ship within 3-6 business weeks. Carbon fiber and custom exhaust orders typically have a 3-6 week lead time. You'll receive tracking as soon as your order leaves our shop.
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure high quality and fair value on every order.
We accept returns within 30 days for unused items in original packaging. Fitment issues on our end are always covered. Custom and made-to-order items are final sale.
