Milltek Large Bore Downpipe with Hi-Flow Sports Cat - Mini Cooper S R56/R58 - SSXM015

Milltek Large Bore Downpipe with integrated Hi-Flow Sports Catalyst for Mini Cooper S R56/R58. Direct fitment downpipe designed to pair with Milltek Cat-Back exhaust systems. Mandrel-bent T304L stainless steel construction with larger bore diameter than OEM, reducing back pressure and increasing exhaust scavenging efficiency.

Hand-finished construction with CNC-formed joints. Hi-Flow Sports Cat integrated for optimal flow characteristics and emissions compliance. Stage 2 ECU remap required to unlock performance gains. Uses OEM mounting points and hangers—no modification required for installation.

• T304L stainless steel, mandrel bent
• Larger bore diameter vs. OEM downpipe
• Integrated Hi-Flow Sports Catalyst
• Direct fitment Mini Cooper S R56 and R58 chassis
• Requires Stage 2 ECU remap
• For use with Milltek Cat-Back systems only

Engineered to increase low-mid range torque and top-end power delivery.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

• Pipe diameter: 63.5mm (2.50")
• Off-road / competition use only. Not legal for use on public roads in the US.

Fitment

• New Mini > MK2 > (R56) Cooper S 1.6i Turbo > 2006 to 2014
• New Mini > MK2 > (R58) Cooper S Coupe > 2011 to 2015

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.