Flowmaster Muffler (40 Series)2.50 Offset In/Centre Out (Delta Flow) Each#942541 4227100 Measure groove diameter

Measure groove diameter

5mm HSS Taper Shank Drill

Metric Fine Zinc Plated Conelock Nut Class 10 M12 x 1

• Higher productivity

1 B21A 1990-1991 (Rear)

Flowmaster Muffler (40 Series)2.50 Offset In/Centre Out (Delta Flow) Each#942541 4227100 Measure groove diameterThis 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. Durable fully welded 16 gauge aluminized steel Race proven patented Delta Flow technology Excellent Street