BMW 3 Series E90/E91 318d 320d Diesel Twin Exit Rear Box/Back Box/Muffler – Cobra Sport Performance Rear Silencer Exhaust Upgrade, Twin 3-inch Tips, 63.5mm Pipe, Fits Saloon & Touring, SE & M Sport (2005-2011)

Unlock a sharper soundtrack and a smarter rear end on your 3 Series diesel with this twin-exit rear silencer upgrade for E90 Saloon and E91 Touring models. Crafted by Cobra Sport, this back box transforms the look and tone of your 318d or 320d while retaining everyday usability. Expect a deeper, sportier note and eye-catching twin 3 inch tailpipes that fill the bumper perfectly.

Key benefits

• Sportier sound and a cleaner, more aggressive twin outlet look
• Direct replacement for the rear section from the centre pipe backwards
• Supplied with all required fittings and gaskets for installation
• Compatible with both SE and M Sport rear bumpers
• Proven Cobra Sport quality that enthusiasts trust

Fitment

• BMW 3 Series E90 Saloon 2005 to 2011 - 318d and 320d diesel
• BMW 3 Series E91 Estate Touring 2007 to 2011 - 318d and 320d diesel

Specifications

• Pipe diameter: 2.5 inch - 63.5 mm
• Tailpipe style: Twin 3 inch - 76.19 mm
• Tailpipe code: YTP10L
• Configuration: Centre section back replacement - rear silencer back box
• Includes: All relevant fixings and gaskets

Note: The factory pipe will need to be cut to install this rear section. Professional fitting is recommended.

Why choose this upgrade

This is the ideal exhaust back box for drivers who want an audible but refined diesel tone and a premium twin exit appearance on their E90 or E91 without changing the entire system. We have installed this setup on customer cars and feedback has been consistently positive for sound quality, fit and finish, and the OEM-plus look.

Fitting and support

Want it supplied and fitted by specialists? Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored fitting quote.

Popular search terms

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Sound and visuals

Hear a representative example below.