Porsche 993 Carrera / Turbo OEM Catalytic Converter Re-Coring Accessories & Apparel 4″) smoothly tapering down to

4″) smoothly tapering down to match the turbo inlet

Works with stock Gallardo exhaust or aftermarket systems which fit like O

making them the best upgrade for street driving and emissions compliance

both methods will work (see "about installation" below) These muffler include the necessary installation kit to control the sound valves

IPD Plenum:

Porsche 993 Carrera / Turbo OEM Catalytic Converter Re-Coring Accessories & Apparel 4″) smoothly tapering down toReplace the worn out or broken core of your factory Porsche 993 Turbo or Carrera 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.