Single Outlet Titanium Tip Muffler. Outlet 2.75" Inlet 4.5" . Full T-304 Austenintic Stainless Steel Construction. Hi-Power Muffler incorporate a race inspired angled mounted stainless steel muffler and piping design. Special for Turbo Car. ULTRA FAST FLOW STRAIGHT THOUGHT DESIGN HIGH GLOSS POLISH FINISH SPORTY DEEEP TONE Size: 15" x 6" x 5" Light weight design. (only 9lb) Increase 8%-10% HP,with a smooth & deep sound.