VaraFlow Stainless Muffler

Patriot's VaraFlow muffler, featuring SFI Technology. This new muffler features an Electric motor and Valve assembly that allows the vehicle owner to adjust the sound of their exhaust, while they drive. SFI stands for Sound Flow Inversion, Patriot’s proprietary valve and baffle design that allows the user to redirect the flow of the exhaust to instantly change the volume and tone. The primary purpose for this design is to not only allow the driver to get the exact sound he or she is looking for but to also tune out annoying drones when driving down the highway and then have the option to make a little more noise when you get to “Cruise Night”.

VaraFlow  Stainless Steel

Part No

Inlet - Outlet Diameter

Core Diameter

Case Length

Case Diameter


2.5" (63.5MM)


24" (609.6MM)

4" (101.6MM)


Patriot VaraFlow Muffler H3200

Patriot's VaraFlow muffler is made from corrosion resistant Stainless Steel, polished to a high lustre. The Patriot VaraFlow muffler comes complete with a simple two wire hook up with a shielded harness, illuminated control switch and wiring instructions for single or dual switch installations.