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ProXS Mufflers
ProXS Mufflers(6) 
ProXS Universal Muffler
Part# 40659 What vehicle does this fit?
Has Valves FALSE
- Universal muffler. Reversible Design.
- 2.5" Offset Inlet / 2.5" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length
- Un-Notched necks are designed for weld in installation
- If clamping, use wide (2bolt style) band clamps
- Alternate muffler with Notched necks is 400481 (use 1" wide band clamps 18325)
Price: $124.99
ProXS Universal Muffler
Part# 40658 What vehicle does this fit?
Has Valves FALSE
- Universal muffler. Reversible design.
- 2.25" Offest Inlet / 2.25" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length
- Un-Notched necks are designed for weld in installation
- If clamping, use wide (2 bolt style) band clamps
- Alternate muffler with Notched necks is 400479 (use 1" wide band clamps 18322)
Price: $131.99
ProXS Universal Muffler
Part# 40657 What vehicle does this fit?
Has Valves FALSE
- Universal muffler. Revesible Design
- 2" Offest Inlet / 2" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body. 19" Overall Length
- Un-Notched necks are designed for weld in installation
- If clamping, use wide (2 bolt style) band clamps
- Alternate muffler with Notched necks is 400477 (use 1" wide band clamps 18302)
Price: $131.99
ProXS Universal Muffler
Part# 400481 What vehicle does this fit?
Has Valves FALSE
- Universal muffler. Reversible design.
- 2.5" Offset Inlet / 2.5" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length
- Notched necks are designed for clamp in installation. Use 1" wide band clamps 18325.
- Alternate muffler with Un-Notched necks for weld in installation is 40659
Price: $131.99
ProXS Universal Muffler
Part# 400479 What vehicle does this fit?
Has Valves FALSE
- Universal muffler. Reversible design.
- 2.25" Offset Inlet / 2.25" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length
- Notched necks are designed for clamp in installation. Use 1" wide band clamps 18322
- Alternate muffler with Un-Notched necks for weld in installation is 40357
Price: $133.99
ProXS Universal Muffler
Part# 400477 What vehicle does this fit?
Has Valves FALSE
- Universal muffler. Reversible design.
- 2" Offset Inlet / 2" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length
- Notched necks are designed for clamp in installation. Use 1" wide band clamps 18302.
- Alternate muffler with Un-Notched necks for weld in installation is 40657
Price: $133.99
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