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Downpipe kit with 300CPSI racing catalytic converter for the Audi S4 B9 / S5 F5 3.0TFSI
high-quality cast stainless steel 1.4301 (SS304)
complete 2x Ø3 with adapter to original AGA
CAD designed and flow optimized
1x lambda probe connection at OEM position
Racing metal catalyst (300 CPSI EU6 coating)
100% perfect fit, simply exchange it for a standard part
less thermal load on the turbocharger
More power by reducing the dynamic pressure
much more torque
optionally also available with Ø76mm (3inch) center silencer replacement pipes (sporty, dull sound)
Not permitted in the area of the STVO.
Error display possible in the DME.
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