Borla Cat-Back Exhaust System - S-Type | 1978-1982 Porsche 928 4.5L (14276)Borla Cat Back Exhaust System S Type Part #: 14276 Overview The Borla Cat Back Exhaust System S Type is a high performance exhaust upgrade designed for enthusiasts seeking improved sound, style, and exhaust flow on their 1978 1982 Porsche 928 with a 4. 5L engine. Crafted with precision and attention to detail, this system enhances your vehicles auditory presence while supporting optimal exhaust efficiency. It is ideal for drivers who want a more