Fabspeed Porsche 911 Carrera Sport Cat (1976-1989) Accessories & Apparel The IPD Plenums are products

The IPD Plenums are products of efficiency that simply improve intake air flow and increase air velocity

practicing caution to prevent accidental impact with nearby components on the way down

The HD designation signifies the incorporation of a brazing stripe and special mantles to hold the metal matrix in place through the toughest of conditions while ensuring the overall integrity of the catalyst

CAD design and Dyno develop parts for the Ferrari 488

When your engine breathes better

Fabspeed Porsche 911 Carrera Sport Cat (1976-1989) Accessories & Apparel The IPD Plenums are productsThis high flow 300 Cell Catalytic Converter is a direct bolt on replacement for the heavy & restrictive factory catalytic converter. Perfect for the 911 Carrera owner looking to make his vehicle emissions compliant and slightly enhance the exhaust sound. SOUND: This high flow cat will give your Carrera a slight increase in exhaust volume and tone. Provided is our easy to use INSTALL GUIDE. FEATURES: Fits all Porsche 911 Carrera vehicles 1976 1989 Less