Milltek Sport T304 Stainless Cat-Back/Catback Rear Section Exhaust for BMW M3 E46 CSL 2003-2007 – Performance Bolt-On Back Box/Muffler Silencer, Non-Drone, UK Made – SSXBM462_1

Milltek Rear Section Exhaust for BMW E46 M3 CSL 2003-2007 — Part No: SSXBM462_1

Unlock the iconic S54 sound and sharpen throttle response with this Milltek rear system for the BMW E46 M3 CSL. Crafted in Britain from high quality T304 grade stainless, this bolt-on catback delivers a clean, motorsport-inspired note without the annoying cabin boom at motorway speeds. If you want a premium CSL exhaust upgrade that balances refinement with excitement, this is the one.

Why this Milltek system stands out

• Direct-fit rear section for E46 M3 CSL 2003 to 2007 — replaces pipework from the catalytic converters back
• Part number: SSXBM462_1
• T304 non-magnetic stainless steel for long-term corrosion resistance and consistent appearance
• Mandrel-bent tubing for smooth, uninterrupted flow and crisp pedal response
• Optimised diameter over factory to free up breathing without sacrificing mid-range torque
• Beautifully hand-finished in the UK with precise fit on OEM mounts and hangers
• Refined straight-six soundtrack that is assertive on throttle yet calm when cruising

Real-world results you can trust

We run Milltek hardware on customer CSLs and the feedback is consistently excellent. Fitment is spot on, build quality is superb and the sound is exactly what enthusiasts want from a CSL — race-bred character with no intrusive resonance on long journeys. Perfect for fast road use and track days.

Fitment

• Vehicle: BMW E46 M3 CSL
• Years: 2003, 2004, 2005, 2006, 2007
• Configuration: Catback exhaust — rear section from the cats rearward

Professional installation

Want it installed correctly first time? Book expert fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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