Max Flow™ Sidepipe Muffler; Fits w/4 in. Sidepipes; 4 in. Inlet; 4 in. Outlet;
This high performance muffler has been developed for vehicles with 4 inch sidepipes such as 1965??"74 Corvettes or vehicles equipped with Hooker super competition roadster and side mount headers. These mufflers produce an average of 23 percent more power than open Headers and feature a high??"flow, perforated core that operates at 99 percent efficiency. High temperature packing material absorbs noise while producing a powerful mellow sound. These mufflers, as tested on a 1968 Corvette with a 427 cu inch engine increased horsepower by 40 at a peak of 5500 RPM and 20 foot pounds at peak of 4500RPM versus a leading aftermarket undercar header and turbo??"style muffler combination. The outer case is constructed of durable 16 gauge aluminized steel protected by electrostatically applied high??"temperature black paint. The inlet/outlet is a 2.5 perforated core in a 4 inch casing.
  • 23% More Power Than Open Headers
  • High Flow Perforated Core
  • High Temperature Packing Material Absorbs Noise
  • 16 Gauge Aluminized Steel
  • Easily Removed For Racing

Additional Information:

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.