Our new 2.5-inch bolt-on cat-back kit for the 2015-16 A3 1.8 TFSI(PN 15168) has been engineered for maximum performance with dyno proven results. MagnaFlow systems reduce exhaust backpressure while maintaining a deep, powerful performance tone. Annoying exhaust frequencies are dampened with a dense wall of acoustical absorbing material, and the straight-through muffler design prevents excessive heat retention, allowing the entire system to run cooler and last longer with no restrictions, all exiting out of 3-inch polished tips. All MagnaFlow stainless exhaust systems come with a Lifetime Warranty, and each kit includes all the necessary hardware and components for a complete, bolt-on installation. MagnaFlow products are proudly made in the USA. For more information, visit www.magnaflow.com to find a dealer near you.