Borla Catback Street Exhaust MINI S R53 Variations:Borla Catback Street Exhaust MINI S R52 R53 (2004-2006) If you plan to install

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Borla Catback Street Exhaust MINI S R53 Variations:Borla Catback Street Exhaust MINI S R52 R53 (2004-2006) If you plan to installMINI Cooper S 100% stainless cat back system bolts to the stock exhaust after the catalytic converter. Twin round tips fill out the rear valence perfectly with no rubbing. This Street version is not too loud, but not too quiet, perfect for daily driving. Stock system weighed in at 45. 5 LBS, the Borla weighs 33. 5 LBS. We Dyno tested many different exhaust systems currently on the market for the Cooper S. The Borla came out on top! Dyno results showed