Greddy Revolution RS Universal Exhaust Muffler 2.5" Inlet 4" Removable Greddy Revolution RS Universal Exhaust Muffler (2.5" 63mm) Inlet (4 RS TI UNIVERSAL OVAL MUFFLER 2.5" 105MM TIP (11003525) GReddy Revolution RS Universal Stainless Steel Exhaust Tip Evolution RS GReddy Revolution RS Exhaust Universal 2.5" Muffler & Tip Any. GReddy Universal Revolution RS Muffler and Tip sets create options for custom (single or dual muffler) applications as well as for vehicles not covered by the current application specific line up. The RS Universal mufflers are offered in two sizes. The 140mm diameter X L300mm can with 2. 5" (63. 5mm) inlet includes a 105mm Dia. x L120mm stainless steel tip. Now with our Tri bolt removable Tip, optional GReddy RS tips of different length, material and shape are also be purchased separately for even more customization. Our signature high quality, straight through, universal RS mufflers offer exceptional flow with a clean, aggressive exhaust note. The compact 304 stainless steel mufflers feature our improved internal construction with long lasting, high temperature resistant sound suppression materials. For something special, revolutionize your car with a custom GReddy exhaust. 2. 5" Dia. Universal Muffler and Tip set *(with removable GReddy RS tip) Muffler Type: 140mm Round Revolution RS Type: Straight through Inlet OD : 63. 5mm (2. 5") Dia.: 140mm (5. 5") Length: 300mm (11. 8") Tip Type: Single wall Stainless steel with GReddy Logo Dia.: 105mm (4. 1") Length: 120mm (4. 7") Piping Extension: L38mm (1. 5") 2. 5" piping at the back of the muffler for easier welding. Notes: requires welding (and cutting) for mounting and attaching piping Optional GReddy RS Tips are available in various lengths, Stainless Steel or Titanium or Titanium Turn down. Also compatible with GPP RS Tip Silencers. Material: 304 Stainless steel