1.8 TSI Gen 3 FWD MQB 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 equipped with a brushed matte finish for an elegant appearance that will last a lifetime. There's simply nothing like it!


  • 3-inch T304 Stainless Steel Mandrel Bent Tubing: Quality Material that will not rust and will outlast your vehicle
  • T316 stainless steel v-band flanges: Durable and rust proof
  • Direct bolt-on fitment with OEM mounting locations: Use all Factory mounting location on the engine and on front subframe.
  • Locked V-band Rotation: Securing downpipe to the engine assure no possible v-band flange rotation during hard acceleration
  • Factory catalyst position: Assure 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
  • OEM-inspired catalytic converter heat shield: Help to reduce radiant heat in the engine bay.
  • 80mm to 76.2mm turbo to downpipe transition: Assure a smooth flow transition between Turbine housing and 3" Stainless steel piping.
  • OEM Oxygen sensor placement: No need for O2 sensor extension or modification of the wiring harness 8-inch Corrugated stainless steel flex section: High quality flex that will stay leak proof for years. It allows engine movement without stressing the factory rubber mounts
  • TIG welded construction: Professionally hand welded to assure longevity and leak proof.
  • Unique v-band fastening system featuring Clampco® clamps: Maintain a perfect alignment every time while insuring a leak proof connection


  • Unitronic 3" Catalytic Converter Section
  • Unitronic 3" Flex Section
  • Unitronic 3" Midpipe Section
  • 3" TO 60mm Reducer
  • Unitronic 3" V-Band Exhaust Clamps
  • Unitronic 3" V-Band Sealing Rings
  • All Necessary Hardware Included


Make Model
Years Engine
Audi A3 8V 2014-2016 1.8 TSI EA888 Gen 3
Volkswagen Golf MK7/MK7.5 2015-2019 1.8 TSI EA888 Gen 3
Volkswagen Golf Sportwagen 2017-2018 1.8 TSI EA888 Gen 3