Flowmaster 40 Series Delta Flow Muffler - 2" Center Inlet / Outlet 31012BL 0-5V analog output included for

0-5V analog output included for use with data loggers and virtually any engine management system

Black powder coated hub

1980-1992 Ford Thunderbird

TH700 / 200 / 200-4R / 350 / 4L60

Available for 1 diameter valve cover holes

Flowmaster 40 Series Delta Flow Muffler - 2" Center Inlet / Outlet 31012BL 0-5V analog output included forThis two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Aggressive To Moderate