Ferrari 355 Factory/OEM Secondary Catalytic Converter Re-Coring Accessories & Apparel Retains factory exhaust valve functionality

Retains factory exhaust valve functionality - Plug and Play with the factory Ferrari system

Simply flash your Cayenne with a Fabspeed ECU XperTune utilizing the included handheld tuner

When you purchase HJS catalytic converters and or Fabspeed systems equipped with HJS catalytic converters the PURCHASER is 100% ASSURED that they have received Genuine certified high-performance HJS components imported directly from HJS Emitec Germany

550i (2011-2012)

Ferrari 355 Factory/OEM Secondary Catalytic Converter Re-Coring Accessories & Apparel Retains factory exhaust valve functionalityReplace the worn out or broken core of your factory Ferrari 355 secondary catalytic converter(s) with a new high performance HJS tri metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace the inner core of your Porsche Cup Car catalysts with new high performance cores from HJS Germany. These premium catalytic converters are a fantastic way to refresh your factory exhaust system without sacrificing the factory appearance. Please