42 Draft Designs turbo-back exhaust system is the ultimate exhaust upgrade for your Mk1 Audi TT 180Q. Built right here in the USA, this unique turbo-back system delivers unbeatable power gains and exquisite sound without a single compromise.
This exhaust system is complete from turbo to tailpipe and includes everything necessary for successful installation. 42 Draft Designs downpipes are available in two series: Street and Race. Street series downpipes include a catalytic converter. Race series downpipes include a test pipe. If you would like the ability to switch between street and race series you may purchase a cat section or test pipe at any time.
Note: Model years listed are based on US models. European model years may differ. If shopping for a vehicle sold outside the US please match chassis designation before matching model year.
This 180Q cat-back exhaust system features the same dual 4" tips used in 42 Draft Designs' 225 cat-back. During installation the 180Q single tip rear valance must be converted to a 225 or 3.2V6 dual tip rear valance. This is easily achieveable using OEM parts.
Polyurethane transmission mount inserts are HIGHLY recommended for this application.
42 Draft Designs now offers v-band connection flanges with the stainless steel exhaust systems. Compared to 3-bolt flanges, exhaust systems built with v-band flanges are easier to install and adjust. V-band connections don't require a gasket, and can be serviced with a single tool. Overall, v-band flanges speed-up initial install and race-day component changes.
These V-band flanges are CNC machined from 304 stainless steel. Using a male/female fitment specification for the flanges aids in sealing the connection. Due to the material cost and manufacturing time, v-bands will remain a premium option.