Spark Arrestor, 3 Inch Weld On, 5 Inch Discs

OVERVIEW

When you''re tearing up the dunes or navigating deep forest trails in your air-cooled beast, safety and compliance are just as critical as raw horsepower. The Latest Rage 3-Inch Weld-On Spark Arrestor is the professional''s choice for off-roaders who demand a high-flow exhaust solution that meets strict land management requirements. This isn''t just a safety device; it''s a precision-engineered tuning tool. By utilizing a 5-inch disc system, this spark arrestor effectively traps incandescent carbon particles before they can exit the tailpipe, significantly reducing the risk of wildfires while keeping you legal in state and federal parks. The weld-on design ensures a permanent, vibration-resistant bond to your custom exhaust system, making it ideal for the high-impact environment of sand rails, Baja Bugs, and heavy-duty tube chassis builds.

What sets this spark arrestor apart from the competition is its incredible versatility and "tunable" nature. Included with five high-performance discs, this unit allows you to find the perfect balance between backpressure and exhaust volume. If you''re running a high-displacement stroker motor and need maximum flow, you can add more discs to increase the exit area. Conversely, if you need to quiet down the bark of your engine for a more neighbor-friendly sound or specific trail regulations, you can remove discs to restrict the output. The 3-inch inlet is designed to slip over or butt-weld to standard 3-inch OD tubing, providing a clean, professional finish that complements any high-performance air-cooled VW header or custom-fabricated exhaust setup. Don''t let a lack of equipment keep you off the trailsinstall the Latest Rage spark arrestor and ride with confidence.

FITMENT

This is a universal weld-on component designed for custom exhaust applications. It is most commonly used on the following air-cooled Volkswagen-based vehicles:

• Sand Rails & Dune Buggies: All makes and models utilizing a 3-inch OD exhaust pipe.
• Baja Bugs: Custom high-clearance exhaust systems with 3-inch primary or collector outlets.
• Meyers Manx & Kit Cars: Street-legal or off-road buggies with custom engine swaps.
• VW Trikes: Custom frames requiring spark suppression for highway and trail use.
• Universal Off-Road: Any vehicle with a 3-inch outside diameter exhaust tube requiring a 5-inch disc arrestor.

SPECS

• Manufacturer: Latest Rage
• Part Number: AC251078
• Inlet Diameter: 3 Inches (Inside Diameter to fit over 3-inch OD pipe)
• Outlet/Body Diameter: 5 Inches
• Disc Count: Includes 5 Stainless Steel Discs
• Mounting Style: Weld-On (Requires welding for secure installation)
• Material: Heavy-duty steel construction for extreme heat cycles
• Tunability: Fully adjustable by adding or removing discs
• Application: Off-road use, fire prevention, and decibel control

PRO TIPS

Tuning Your Backpressure for Maximum Performance

One of the biggest mistakes guys make is thinking they have to run the spark arrestor exactly as it comes out of the box. The beauty of the 5-inch disc system is the ability to tune your engine''s power band. If you feel the engine is "choking" at high RPMs, you should consider adding additional discs (sold separately). Each disc added increases the total exhaust flow area. For most standard 1600cc to 1914cc engines, the 5 included discs provide a great balance, but for those high-revving 2332cc monsters, adding a few more discs will let that motor breathe while still catching the sparks that could start a brush fire.

Precision Welding for a Leak-Free Seal

Since this is a weld-on unit, the quality of your installation determines the longevity of the part. Before you strike an arc, ensure that the 3-inch exhaust pipe is cut perfectly square and all burrs are removed. We recommend "tack welding" the unit in four spots around the circumference first to ensure it''s perfectly aligned with your header or tailpipe. Because exhaust systems are subject to intense vibration and thermal expansion, a full 360-degree TIG or MIG bead is essential. If you leave even a tiny gap, the exhaust pressure will eventually "whistle" or cause the metal to fatigue and crack over time.

Maintenance and Carbon Clean-Out

A spark arrestor is a filter, and like any filter, it can get clogged over time. If you''re running a slightly rich fuel mixture (common with dual Weber or Dellorto setups), carbon soot will eventually build up between the discs. This restriction can cause your engine temperatures to rise and your performance to "dog out." Every season, or after a particularly long trip, you should disassemble the end cap and inspect the discs. Soak them in a carbon-dissolving solvent or hit them lightly with a wire brush to keep the passages clear. It''s a five-minute job that ensures your air-cooled engine stays cool and your exhaust stays free-flowing.