BMW 4 SERIES (F32 F33 F36) MATTE BLACK DIFFUSER - TWIN EXIT

Transform the rear of your F32, F33 and F36 with a twin outlet rear valance in matte black

Give your BMW 4 Series a serious OEM plus look with this CT Carbon BLAK range twin outlet rear diffuser insert. Finished in stealth matte black, this rear lower bumper trim delivers a sharper, wider stance and a premium motorsport vibe while keeping things clean and factory style. It is ideal for dual exit exhaust conversions and anyone chasing that aggressive, performance-inspired rear end.

We have fitted this upgrade in-house and our customers absolutely love the result. Fitment is spot on for the listed chassis, the finish looks superb in person, and the twin outlet styling pairs perfectly with dual tips for a balanced, symmetrical look.

Compatible vehicles

• 2013 to 2020 BMW 4 Series F32 Coupe
• 2013 to 2020 BMW 4 Series F33 Convertible
• 2013 to 2020 BMW 4 Series F36 Gran Coupe

Note: Designed for twin outlet exhaust setups. If your car is currently single exit, this is the ideal rear valance for a dual tip conversion.

Why enthusiasts choose this rear diffuser

• Matte black finish for a subtle, stealthy appearance
• Twin outlet design for a balanced, motorsport-inspired look
• Model-specific for F32, F33 and F36 platforms
• Premium CT Carbon BLAK range quality
• Perfect for OEM plus styling and performance builds

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. For a fitting quote or any compatibility questions, email info@mjmodifications.co.uk.

Search-friendly details

Rear bumper diffuser insert for BMW F32 F33 F36, rear valance trim, rear splitter, dual exit rear apron, twin outlet lower diffuser, stealth matte black rear bumper insert, performance styling upgrade for BMW 4 Series Coupe, Convertible and Gran Coupe, CT Carbon BLAK range diffuser, UK fitment.