Product Number: Horizontal: A-743K Vertical: A51K

QS "Quiet" Muffler with baffle for Large Vanguard engines (MB, GT, GD, BT).

Does not work with new Gatortail Z motors. the exhaust gas can melt the transmission cover.

• 20% quieter than a regular Q Muffler

• Same performance

• Fits large block Vanguard horizontal engines

• Stainless steel construction

• Excellent performance

• Low, aggressive, and quiet sound

• All hardware and instructions are included

• Carb Jetting changes may be necessary