Hooker 21021HKR Super Competition Glass Pack Muffler Insert for Side Pipes, 4 Inch Diameter, Steel, Natural Finish, Pair

The Hooker 21021HKR Super Competition Glass Pack Muffler Insert is designed to enhance exhaust performance and sound for a variety of high-performance vehicles. Crafted from durable steel with a natural finish, this pair of muffler inserts features a 4-inch diameter and a slip-in design for easy installation. The glass pack construction effectively reduces backpressure while producing a deep, aggressive exhaust tone, making it suitable for enthusiasts seeking improved sound and performance. These muffler inserts are compatible with side pipe exhaust systems and are ideal for custom builds, muscle cars, and trucks requiring high-flow exhaust components. Their robust steel construction ensures longevity and resistance to heat and corrosion, maintaining optimal performance over time.

Features:

• Designed for high-performance exhaust systems, providing improved sound and flow

• Constructed from durable steel with a natural finish for longevity

• Glass pack design offers a deep, aggressive exhaust tone

• 4-inch diameter fits standard side pipe exhaust configurations

• Slip-in installation for ease of use and compatibility with custom setups

• Pair of muffler inserts suitable for racing and street applications