Upgrade Downpipe Audi S4, S5 B9 3.0TFSI quattro (Non-OPF) Catalytic converter:Catalytic converter removal Suitable for M177 engines:

Suitable for M177 engines:

The problem with the standard turbo inlet is that it is very narrow

SEAT Leon (5F) 2

- The pipe has one methanol injection connection (1/8 -27 NPT)

Upgrade Downpipe Audi S4, S5 B9 3.0TFSI quattro (Non-OPF) Catalytic converter:Catalytic converter removal Suitable for M177 engines:Suitable for the following 3. 0 TFSI models: S4 B9 3. 0 TFSI 354HP S5 F5 3. 0TFSI 354HP Perfect fit (like original), so our fit guarantee also applies to this stainless steel Downpipe Technical specifications: Model: Audi S4 S5 B9 3. 0TFSI Year: 2016 2019 Material: 304 stainless steel Connection size: Original (on original flanges) Why a Downpipe? Only 304 stainless steel High quality finish Better exhaust gas flow More power 100% fit guarantee To get