Flo-Pro Twister Resonator | 4" x 5" Round

Eliminate cab drone on your diesel truck with the Flo-Pro Twister Resonator. Engineered specifically for diesel exhaust systems, the Twister uses internal resonator technology to cancel out the low-frequency drone that plagues deleted and straight-piped trucks — without restricting flow or killing exhaust tone.

Specifications

• Inlet / Outlet: 4"
• Body Diameter: 5" Round
• Available Lengths: 18" or 23"
• Universal fit — compatible with any diesel exhaust system

Key Benefits

• Eliminates cab drone common on deleted diesel trucks
• Maintains exhaust flow — no power loss
• Preserves aggressive exhaust tone while reducing interior noise
• Universal design fits any 4" diesel exhaust system
• Built by Flo-Pro — trusted name in diesel exhaust

Fitment

Universal — compatible with any diesel truck running a 4" exhaust system including Duramax, Cummins, and Power Stroke applications.