The 3.5 inch intermediate pipe and tailpipes are formed of 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. Tip has an adjustable clamp for positioning on tailpipe. Tip dimensions: 3.5 inch Tube - 4.38 X 12 inch. This system is also available with dual 3 inch Tube - 3.75 X 11 inch exhaust tips.