2017-2019 Audi A4 Quattro Avant/ Allroad Cat-Back Exhaust System ATAK

3" diameter system. This system features the aggressive ATAK® sound and exits through 4" black chrome on T-304 stainless steel tips. Using BORLA® Stainless Steel Polish p# 21499 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. Systems with black chrome on T-304 stainless steel tips and brushed T-304 stainless steel tips are also available. BORLA® Cat-Back™ and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed 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 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 &amp

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 you'd expect from the world's most experienced (and most winning) exhaust brand.