Borla 17-18 Honda Civic Type R 2.0L 2.75in Atak Adjustable Catback Exhaust (Carbon Fiber Black Tip)Brand Borla Part Number 140738CFBA Category Exhaust, Mufflers & Tips Catback Condition Brand New Original Manufacturer Packaging The Borla(r) Cat Back(tm) system for the Civic Type R is unique in the industry with an adjustable sound level. By changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste. System features Borla(r)'s Polyphonic Harmonizer Technology which utilizes patented units that