Does NOT fit MK7.5. This 3" diameter into dual 2.25" Cat-Backâ„¢ system delivers the classic S-Type sound with no drone inside the vehicle. Add optional resonator 60666 when additional sound reduction is desired. Adding this resonator will achieve the Touring sound level. The resonator is NOT designed to be used with the Original Equipment (O.E.) exhaust system. The system features single 4" round brushed T-304 stainless steel tips with laser etched BORLA logos on each tail pipe. Systems with bright chrome on T-304 stainless steel tips and black chrome on T-304 stainless steel tips are also available. BORLA Cat-Backâ„¢ & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power driving excitement fuel economy and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 austenitic stainless steel superior to T-400 series knockoffs (such as 409) to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all BORLA stands behind every system with a Million-Mile Warranty. Just what youâ€d expect from the worldâ€s most experienced (and most winning) exhaust brand.