Ferrari 355 Factory/OEM Secondary Catalytic Converter Re-Coring Accessories & Apparel VALVES CLOSED: Exhaust gases are

VALVES CLOSED: Exhaust gases are channeled through Fabspeed's signature 63

2 Cayenne Turbo / Turbo S Models (Specify either Porsche Sport Exhaust (PSE) or the Standard Exhaust)

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

Fits all BMW X5M (F85) vehicles

Is it necessary to replace the clutch when installing the 700hp kit

Ferrari 355 Factory/OEM Secondary Catalytic Converter Re-Coring Accessories & Apparel VALVES CLOSED: Exhaust gases areReplace 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