Helix Racing Products 160-1112 Heavy Duty Muffler Packing Material

Helix Racing Products 160-1112 is a high-density fiberglass muffler repacking material designed for optimal sound control and backpressure management. This tight-weave, heavy-duty packing is specifically preferred by four-stroke riders who demand precise exhaust tuning and consistent performance.

Key Features:

• High-density fiberglass construction with tight weave pattern for superior durability
• Effectively controls exhaust sound levels and backpressure for four-stroke engines
• Layered application allows fine-tuning of backpressure to optimize torque curve
• Adjustable installation enables customization of engine feel and power delivery
• Suitable for both street and off-road motorcycles, ATVs, and powersports machines
• Long-lasting material resists breakdown from high exhaust temperatures

This muffler packing can be applied to the muffler core in multiple layers, giving riders the flexibility to dial in their desired backpressure characteristics. By adjusting the amount of packing material used, you can influence the engine's torque curve to achieve your preferred throttle response and overall performance characteristics.