Electric Exhaust Cutout Valve Motor Kit 3 Inch with Manual Switch

High-Flow Electric Exhaust Cutout Valve Motor Kit 3 Inch for Universal 3.0" Systems (Universal)

What it Does: The Electric Exhaust Cutout Valve Motor Kit 3 Inch bypasses restrictive mufflers and resonators on 3.0-inch exhaust tracts to immediately reduce exhaust backpressure and maximize exhaust gas velocity on demand.

The Stock Exhaust Limitation

Factory exhaust assemblies route post-combustion gases through restrictive, sound-baffled mufflers and narrow bends, generating parasitic backpressure that restricts turbine spool and high-RPM engine efficiency. Traditional track-day block-off plates require manual unbolting under the chassis and eliminate street drivability, making continuous acoustic and flow tuning impractical for real-world driving environments.

The Engineering Solution

This electric bypass valve solves flow restrictions using a precision CNC-machined T-6061 billet aluminum body mated to an airtight stainless steel butterfly gate. A high-torque 12V DC electric motor actuates the assembly instantly via an in-cabin manual switch harness that draws power through a standard 12V accessory port. The TIG-welded, anodized structure maintains dimensional stability against severe thermal expansion cycles while dual included gaskets ensure zero leakage in the closed position.

What's Included

• 1 Electric Exhaust Cutout Valve with 12V Motor (3")
• 2 Flange Gaskets
• 1 Manual Switch Wiring Harness with 12V Power Plug
• 1 Extension Power Cable
• 3 Hex Head Bolts
• 3 Locking Nuts
• 6 Washers

Technical Specifications

Compatibility

• Universal fitment for vehicles equipped with 3.0" (76mm) outer-diameter exhaust tubing and matching 3-bolt cutout flanges.

Frequently Asked Questions & Fitment Warnings

Does this fit the Universal 3.0" exhaust without modification?

Yes, this is a direct bolt-on fit for 3-bolt cutout flanges, though cutout Y-pipes and weld-on flanges are not included and must be welded into the existing exhaust pipe.

Where should the motorized actuator be positioned during installation?

Mount the motor body pointed away from direct heat sources and direct ground spray, ensuring the wiring harness is secured clear of hot piping and rotating drivetrain components.

The Performance Exhaust Standard

Built for track day versatility and high-power applications, this cutout valve delivers unrestricted straight-through flow when open for maximum power and acoustic output, while maintaining whisper-quiet cruising capabilities inside the cabin at the flick of a switch.