The Walker Mega-Flow NoiseBraker muffler, manufactured and marketed by Tenneco, is designed to provide a direct retrofit for Class 7 and 8 vehicles, capable of reducing backpressure and quieting the ...

Tenneco Inc continues to offer the Walker Mega-Flow muffler, a heavy-duty, built-to-last answer to increased fleet operating costs. Mega-Flow mufflers Tenneco Inc continues to offer the Walker ...

Tenneco says its Walker Mega-Flow muffler utilizes an open-style design with high-strength OCF roving, which improves fuel efficiency without impacting acoustics. Specifically designed for Class 7 and ...

Heavy-duty fleets looking to improve performance can now turn to the Walker Mega-Flow NoiseBraker muffler. Manufactured by Tenneco Inc, the NoiseBraker Heavy-duty fleets looking to improve performance ...