If your muffler is horizontal (oval shape is horizontal and not sitting vertically) then you need a sideways end cap assembly

• If your muffler is horizontal (oval shape is horizontal and not sitting vertically) then you need a sideways end cap assembly
• This end tip assembly may not fit older style Big Gun mufflers like EVO X, EVO Race & EVO Limited
• One piece high-temp coated turndown tip for mufflers that sit vertically
• 4 button head base plate screws
• 3 socket head end tip screws
• Aluminum base plate