HJS Tuning Catalyst | 200-cell 121mm OD x 112mm L (Directional) 965 Includes dual dry-style air filters

Includes dual dry-style air filters which do not require oiling

Maximum gains of over 24whp and 18 ft/lbs of torque with full V10 exhaust sound

Interested in installing these headers yourself

Exact valves as used by Porsche on the GT3 cars

Compatible with OEM intercooler

HJS Tuning Catalyst | 200-cell 121mm OD x 112mm L (Directional) 965 Includes dual dry-style air filtersGenuine HJS Tuning catalytic converter cores for replacement upgrade of restrictive factory cats. This is an individual catalyst; welding required. SPECIFICATIONS: CPSI (cells per square inch): 200 Diameter: 121mm Duration (length): 112mm Directional: Yes HJS TUNING: HJS has more than 30 years of experience and expertise in the field of exhaust gas aftertreatment. For 10 years, we have been engaged in the development, production and marketing of HJS