Audi TT Mk1 Quattro 180 & 225 Bhp Cat-back system Style:Cat-back system 155% larger filter surface area

155% larger filter surface area than the stock panel filter

2 year unlimited mileage manufacturers warranty

this way ensures the best conditions for full exploitation of maximum power

"Pro" Intercooler Kit - Most of the original boost pipe work and OEM filters (or aftermarket) are retained - This kit is ideal for those not aiming for 4 figure BHP levels or for people who may have already invested in an aftermarket boost pipe and air filter set up

The BOV controller can vent this build up of pressure

Audi TT Mk1 Quattro 180 & 225 Bhp Cat-back system Style:Cat-back system 155% larger filter surface areaPART NO: SAU040 Year(s): 1999 2006 Fitment: Fits to Scorpion and OE system For the 180 model a rear valance insert is required from the 225 model as exhaust is dual exit PIPE (MM): 2 3 4" Tailpipe: Twin 100mm Daytona