Banks Monster Exhaust is formed of 4 inch stainless heavy-wall tubing with mandrel bends to maximize airflow, minimize backpressure and lower exhaust gas temperatures. The system safely clears the spare tire, shocks and brake lines. Monster dual tip includes exclusive 6X5 inch ob-round (patented design) polished-stainless angle-cut rolled-edge tailpipe tips (with your choice of high temp black or chrome-over stainless). Adjustable clamp for positioning on tailpipe. (And to help keep the tips looking good, there's a 1/2 inch air gap to keep heat from tarnishing the finish.).