Unitronic B8/B8.5 A4/A5 3-inch Downpipe

Constructed of 3" T304 stainless steel mandrel bent tubing T316 stainless steel flanges a corrugated stainless steel flex section and TIG welded fabrication this downpipe is built to withstand the test of time while performing to the max. All Unitronic downpipes come equipped with a 200-cell high flow metallic catalytic converter and all transitions are flow-matched to allow for maximum performance and airflow. In addition Unitronic exhausts feature an easy-to-use v-band exhaust fastening system to ensure a fast and effortless installation and precise fitment. To finish it off an OEM-inspired catalytic converter heat-shield protects against unwanted heat radiating in the exhaust tunnel. Every Unitronic Exhaust System comes embossed with a Unitronic logo equipped with an individualized serial production plate to ensure authenticity and a brushed matte finish for an elegant appearance that will last a lifetime. Features: 3-inch T304 Stainless Steel Mandrel Bent Tubing: Quality Material that will not rust and will outlast your vehicle.T316 Stainless Steel Flanges: Durable rust proof and cnc machined.Factory Catalyst Position: Ensure maximum efficiency of the catalytic converter in line with OEM catalytic converter warm up strategy.200-Cell Metallic Matrix High-Flow Catalyst: Highly durable Matrix allowing minimal power loss while assuring maximum efficiency and flow.OEM-Inspired Catalytic Converter Heat Shield: Help to reduce radiant heat in the engine bay.Direct Bolt-On Fitment: Use all factory exhaust hanger and doesn't require any modification or adjustment.OEM Oxygen Sensor Placement: No need for O2 sensor extension or modification of the wiring harness.4-inch Corrugated Stainless Steel Flex Section: High quality flex with inner interlock that will stay leak proof for years. It allows engine movement without stressing the factory rubber mounts.TIG Welded Construction: Professionally hand welded to ensure longevity resistance and leak proof.Unique V-Band Fastening System Featuring Clampco® Clamps: Maintain a perfect alignment every time while insuring a leak proof connection every time. Fully reusable and quick install. Sound Absorption Technology: Perforated chamber packed with High quality and durable high temperature Fiberglass wool. Ensure a deep tone and unwanted frequency absorption. Universal Fitment: Come with OEM size reducer for a direct bolt-on. Optional 3? adapter available for any after market exhaust system or 3? slip fit adjustable link to match to any Unitronic exhaust system.Hardware Include: Unitronic B8 & B8.5 A4/A5 3" Downpipe Unitronic B8 & B8.5 A4/A5 3" Catalytic Converter Section Unitronic 3" V-Band Exhaust Clamps Unitronic 3" V-Band to 65mm Female V-Band Adapter Unitronic 3" Seal Rings Installation: Unitronic's 3" Downpipe fits the B8/B8.5 A4/A5 vehicles. Featuring a unique v-band fastening system and engineered using the latest in 3D modeling technology Unitronic Performance Exhaust Systems are made easy to install.