Greddy Revolution RS Universal Exhaust Muffler (3" 76mm) Inlet (4.5 GReddy SS Tip (105mm Dia 120mm Length) for Universal 2.5in Revolution RS Muffler Evasive Motorsports: Greddy Optional Revolution RS SUS 304 105mm Tip Greddy Universal 3" Inlet Titanium Oval Muffler and 105mm RS Titanium Evasive Motorsports: GReddy Optional RS Titanium Tip 105mm Dia. x L150mm GReddy Titanium Turndown Tip 105mm Dia. L 150mm Revised Revolution. Revolution RS Tip: for 2. 5" Revolution (140mm dia.) muffler systems Single wall 304 Stainless steel with etched GReddy Logo Dia.: 105mm (4. 1") Length: 120mm (4. 7"), 150mm (5. 9") Material: 304 Stainless steel Mounting pattern: Revolution RS Tri mounting Replacement (& optional tip lengths) GReddy Revolution RS SUS304 Tip. Exclusively for GReddy Revolution RS exhausts with 2. 5" piping diameter and 140mm overall muffler diameter. Notes: Requires 3mm Allen Head driver and 8mm wrench socket to install Also available in 115mm SUS304 sizes, 115mm and 105mm Titanium Tips** Not compatible with Universal Revolution RS with weld on tips.