ForeverFab Drone Killer™ Resonator (PRE-ORDER SALE)

OPEN TO PRE-ORDERS NOW! SHIPPING EXPECTING TO START MID-LATE MARCH

Helmholtz-Tuned Exhaust Drone Eliminator

Tired of highway drone but don’t want to kill your exhaust tone?

The ForeverFab Drone Killer™ is a Helmholtz-tuned exhaust resonator designed to target and eliminate the specific frequency that causes in-cab drone — without restricting flow or muting your exhaust character.

This is not a muffler.
It doesn’t quiet everything.
It removes the annoying resonance that makes highway driving miserable.

What It Does

• Reduces or eliminates steady-RPM exhaust drone
• Maintains aggressive exhaust tone under throttle
• Allows normal conversation at cruising speed
• No packing material to burn out
• No restriction to main exhaust flow

Designed for straight-pipe and muffler-delete setups where drone becomes unbearable.

Fitment

Universal fit for single exhaust systems after the merge/Y-pipe.

Available attachment sizes:

• 2.5"
• 2.75"
• 3.0"

(Select the size that matches your exhaust pipe diameter.)

If you need a custom diameter, contact us.

Physical Dimensions

Minimum installation envelope:

• Overall installed length: TBD inches

• Maximum width from main pipe: TBD inches

• Maximum height: 3.5 inches
  

• Minimum straight section required: TBD inches 

Fits single-exit exhaust systems with adequate side clearance.

adequate clearance next to your main exhaust pipe.

See photos for layout reference.

If you’re unsure about space, contact us before ordering.

Construction

• Fully welded 304 stainless steel construction
• Slip pipe design 
• Bracketed for extra support
• Designed and built in our shop

No internal packing. No maintenance. No gimmicks.

Important Notes

• Designed for V8 applications in the 1700–2200 RPM drone range
• Results may vary depending on exhaust configuration

This product targets specific resonance frequencies. If your drone occurs outside typical RPM ranges, contact us for guidance.

Made in the USA

Built in our shop by car enthusiasts who got tired of living with drone.