Borla Mini Cooper S Cat-Back Performance Exhaust System. Features T304 stainless steel construction, begins with 2.25" single mandrel bent tubing that splits into dual 2" tubing that lead into dual mufflers, with twin 3.14" outlet tips.
Fits Supercharged S models of the 1st generation Mini: 2002-2006 R53 hatchback and 2005-2008 R52 convertible S. Compatible with both automatic and manual transmissions. Does NOT fit the JCW John Cooper Works version.
This "cat-back" exhaust replaces all of your exhaust components behind the catalytic converter. Because it does not interfere with the catalytic converter, it is 50-State legal. Comes with Borla's limited "Million-Mile Warranty".
Instructions:
https://www.borla.com/media/installation_instructions/A-35023.pdf