The ALTA Performance R53 exhaust system sounds, looks great and performs the way the factory system should have. The exhaust note is pleasant and lively at idle while giving a sporty, throaty growl under hard acceleration. You get all these benefits without any annoying resonances at high idle or while cruising the interstate! Read more below!
The ALTA cat-back exhaust uses 2.5" diameter 304 Stainless Steel tubing and is the perfect match for the high revving, supercharged power plant in your Cooper S. The ALTA Performance exhaust system directs exhaust gases through two strategically placed mufflers. This combination reduces the sound volume down to a low growl while the straight through design provides maximum air flow. While perfectly suited for otherwise stock Cooper S's, the system is a real power builder on Cooper "S" equipped with our S/C pulley, intake system and other engine modifications.
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