Milltek Sport SSXBM462 BMW E46 M3 3.2 S54 Exhaust System (2001-2007) - T304 Stainless Cat-Back Rear Section/Silencer Backbox Upgrade, UK-Made Performance for Coupe & Convertible S54B32

SSXBM462 BMW M3 E46 3.2 S54 Rear Section Exhaust System - UK Built T304 Stainless Milltek Upgrade

Give your M3 E46 the soundtrack and quality it deserves with Milltek part number SSXBM462. This British-built rear section system replaces the pipework from the catalytic converters to the tailpipes, engineered specifically for the 3.2 straight six S54. Expect a sharper, motorsport-inspired tone, improved flow and a precise bolt-on fit that suits daily road use as well as spirited driving.

Why this Milltek system stands out

• Manufactured in the UK from T304 austenitic, non-magnetic stainless for long-term corrosion resistance and durability
• Mandrel-formed tubing to maintain constant diameter through bends for smooth gas velocity
• Cleverly optimised bore sizing to free up response without blunting mid-range driveability
• Refined acoustic tuning - deep, clean note with minimal cabin resonance for motorway comfort
• Direct-fit to OE mounting points for accurate alignment and straightforward installation
• Designed specifically around the S54B32 3.2 litre straight six for a purposeful soundtrack

Fitment and key details

• Make and model: BMW M3 E46
• Engine: S54 3.2
• Body styles: Coupé and Convertible
• Model years: 2001 to 2007
• Configuration: catback rear section system
• Material: T304 grade stainless steel
• Milltek part number: SSXBM462

What you will experience

A premium stainless system with a crisp, mature tone that enhances the iconic straight six character. The improved flow and high-quality construction deliver a responsive feel and a soundtrack that comes alive under load yet stays civil on longer journeys. It looks right, fits right and sounds right.

Proven quality

We run Milltek on our own cars and our M3 E46 clients consistently praise the finish, fit and sound. If you are weighing up a rear section upgrade for your S54, SSXBM462 is a trusted choice for enthusiasts who want premium materials and a balanced acoustic profile.

Professional installation

Prefer expert fitting. Book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Search terms owners use

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