Nitrous Express Dual 4150 Pro-Power (NX5024) 1651 This Tuner option supercharger kit

This Tuner option supercharger kit is supplied with all hardware

Welcome to the finest catback exhaust for the B7 Audi S4 on the market

Tested to meet strict industry standards ensuring long-term reliability

JP1-HDG6 kit features ACT's most popular Heavy Duty pressure plate

engineering

Nitrous Express Dual 4150 Pro-Power (NX5024) 1651 This Tuner option supercharger kitCustomer service is taken very seriously and we work constantly to develop and improve our product lines. Features: High quality at an affordable price Expertly made from premium materials Built to match your exact requirements Nitrous and Water Methanol Instructions