For all-out performance, go with BLOX Racing mini race mufflers.  These are the epitome of ultra lightweight and compact.  These units offer serious performance while meeting sanctioning body requirements for mufflers.  Race mufflers are available in 2.5”, 3.0" and 3.5”.  Each tip measures 3.0”.

BLOX Racing mini race mufflers are manufactured from T-304 stainless steel and robotically TIG-welded. The muffler has a perforated core with a tough steel packed scrubble for sound deadening. These units offer serious performance while meeting sanctioning body requirements for mufflers. 

Universal Mini Race Muffler Specs

• OD = 4.25”
• Overall Length = 9.75”
• Canister Length = 5"
• Inlet sizes = 2.5", 3.0”, 3.5"
• Tip = 76.2mm
• Dry weight = 2.35 lbs
• Material = T304, TIG-welded