BMW 3 Series E46 328i Rear Box Back Box/Backbox Performance Exhaust - Cobra Sport Axle-Back Rear Silencer/Muffler, 63.5mm (2.5") Pipework, TP46 Twin 3" Tips - Centre Section Back Bolt-On - Single Inlet Fitment

Give your BMW E46 328i a deeper tone and sharper look with this Cobra Sport rear silencer upgrade. Perfect for drivers searching for a back box that delivers a stronger exhaust note and a smarter finish. Our team at MJ Modifications has fitted this set-up on customer cars and the feedback has been brilliant for everyday use and spirited driving.

Why enthusiasts choose this axle-back upgrade

• Designed for the BMW 3 Series E46 328i - a great back box replacement for owners wanting a sportier soundtrack
• 63.5 mm pipework for improved flow compared with tired factory hardware
• Connects to the centre section and replaces the rear silencer for a straightforward bolt-on install
• Tailpipe style TP46 - Twin 3 inch tips for a purposeful OEM plus look
• Supplied with the required clamps and gaskets for a clean fit

Built by Cobra Sport to a high standard and covered by their guarantee, this axle-back system is a popular choice for anyone searching for terms like BMW E46 328i backbox, rear silencer upgrade, performance muffler, axle-back system, twin exit tips, 3 Series exhaust sound upgrade and centre section back exhaust.

Fitment note: suits vehicles with a single inlet to the rear box. It will not fit models that use a twin inlet rear silencer.

Part details

• Pipe diameter: 2.5 inch / 63.5 mm
• Tailpipe code: TP46 - Twin 3 inch

Professional fitting

Want it installed by specialists who know these cars inside out? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability.