It is made of high quality stainless steel with mandrel-bent tubing. Fast air-flow design allow the engine run more smooth with deep sound. Increases up to 10-15 horsepower. The inlet size is 2.5″ and the outlet size is 3″ O2 sensor bung insertion bolts and gaskets are included – Professional installation is highly recommended – Fit for: /b – 1997-2005 Audi A4 B5/B6 1.8 Turbo Engineexcept 2003 Audi A4 Quattro 2001 Audi A4 Quattro – 1998-2005 Volkswagen VW Passet 1.8 Turbo Engine – Feature /b – Fast air-flow design engine run more smooth with deep sound – Increases up to 10-15 horsepower – Inlet size is 2.5″ and outlet size is 3″ – O2 sensor bung insertion bolts gaskets are included – Easy to use – Specifications /b – 1997-2005 Audi A4 B5/B6 1.8 Turbo Engineexcept 2003 Audi A4 Quattro 2001 Audi A4 Quattro – 1998-2005 Volkswagen VW Passet 1.8 Turbo Engine – Turbo-Charged 1.8L/1.8T I4 DOHC Engines ONLY – Weight: 5.3lb 2.4kg – Dimensions L W H: 17″7″5″ 441813cm p p Package Content /b – 1 x Set of Downpipe Exhaust System /p
- Fast air-flow design engine run more smooth with deep sound; Increases up to 10-15 horsepower
- Inlet size is 2.5″ and outlet size is 3″; O2 sensor bung insertion bolts gaskets are included; Easy to use
- Turbo-Charged 1.8L/1.8T I4 DOHC Engines ONLY