Bilstein B12 15-16 Audi S3 Prestige L4 2.0L/Premium Plus L4 2.0L Front and Rear Suspension Kit FX35 FX37 QX70 [2011-2017] 00" - GEN2 EPA Compliant

00" - GEN2 EPA Compliant G-Sport High Output Catalytic Converter Assembly (3" Inlet/Outlet Cones) 350-500HP - 400 CPSI

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This valve ensures fluid doesn't flow through the cooler before the transmission reaches operating temperature

These mounts have an integrated bung that makes it easy to install a wideband UEGO air/fuel ratio sensor using just a drill and the supplied hardware

Bilstein B12 15-16 Audi S3 Prestige L4 2.0L/Premium Plus L4 2.0L Front and Rear Suspension Kit FX35 FX37 QX70 [2011-2017] 00" - GEN2 EPA CompliantBilstein B12 (Pro Kit) suspension kits include a complete set of Bilstein Performance dampers paired with Eibach (Pro Kit) springs that provide moderate lowering between 24 40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro Kit) suspension kits provide the perfect combination of suspension dynamics, quality and