This brand new catless test pipe replace the stock restrictive catalytic converter. With the straight-thru design this catless test pipe increases horsepower and torque with maximum exhaust flow and allows the turbo to spool up and build boost quicker. This test pipe is made of T-304 stainless steel and piping size is 3" 76mm. One side is 2.5" and the other side is 3". Package included all bolts and gaskets. The cat-delete test pipe fits 97-05 Audi A4 1.8T Turbo (B5/B6), 98-05 Volkswagen Passat 1.8T Turbo (B5 / B5.5)

• Made of T-304 stainless steel with 3" piping. One side is 2.5", the other side is 3". Bolts & Gaskets are included.
• This catless downpipe replace the stock restrictive catalytic converter
• Straight-thru design allows the downpipe increases horsepower and torque with maximum exhaust flow
• Might trigger check engine light. Recommend to be used with CEL O2 spacer fix.
• Vehicle Application: 1998 1999 2000 2001 2003 2004 2005 Volkswagen Passat 1.8T Turbo (B5 / B5.5)

Made of T-304 stainless steel with 3" piping. One side is 2.5", the other side is 3". Bolts & Gaskets are included.AutoGrimmig