Flowmaster American Thunder Cat-Back Exhaust System - 3 in Diameter - Dual Rear Exit - 3 in Polished Tips - GM F-Body 1986-91 Metric to AN O-Ring Fittings The MX4's solid and robust

The MX4's solid and robust design is flush mount

Too much fuel pressure for a given needle and seat assembly may cause flooding or driveability problems

Typically two are required to complete an application

idle compensator

Shorty Header Spark Plug

Flowmaster American Thunder Cat-Back Exhaust System - 3 in Diameter - Dual Rear Exit - 3 in Polished Tips - GM F-Body 1986-91 Metric to AN O-Ring Fittings The MX4's solid and robustPrebent pipe kits. Flowmaster's 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster. Features: Mandrel Bent 16 Gauge Aluminized Tubing 3 Year Limited Warranty Moderate Exterior Exhaust Tone Includes Hangers and Hardware For Easy Installation Connects After Factory Catalytic Converter Dual Out Rear Exit Dyno Tuned for Maximum Performance Vehicle