3 Inch Spark Arrestor Disc, Sold Each

OVERVIEW

When you''re tearing through the dunes or navigating tight wooded trails in your air-cooled powerhouse, maintaining the delicate balance between peak engine performance and environmental safety is paramount. The Latest Rage 3-inch Spark Arrestor Disc is a critical component for any off-road enthusiast running a tunable exhaust system. These stainless steel discs are designed to be stacked, allowing you to fine-tune your Volkswagen''s backpressure and sound output to match your specific engine build. Whether you are running a mild 1600cc dual-port or a high-revving 2275cc stroker, having the ability to add or subtract discs means you can optimize your torque curve for the terrain at hand while ensuring you remain compliant with United States Forest Service (USFS) regulations.

Durability is non-negotiable in the harsh environments where Baja Bugs and Sand Rails thrive. That is why these discs are stamped from high-grade stainless steel, ensuring they resist the corrosive effects of exhaust heat cycles and moisture that would quickly destroy lesser mild-steel alternatives. Because they are sold individually, you have total control over your exhaust configuration. Adding more discs increases the exhaust outlet area, reducing backpressure for high-RPM flow and increasing the decibel level, while removing discs creates more backpressure to help with low-end grunt and a quieter "stealth" profile for neighborhood driving or sensitive trail areas. Don''t settle for a static exhaust setup when you can have a fully adjustable system that grows with your VW project.

FITMENT

These 3-inch spark arrestor discs are designed for universal application on any 3-inch tunable spark arrestor housing, but are most commonly utilized on the following air-cooled VW applications:

• VW Dune Buggies & Sand Rails: All years and models utilizing a 3-inch SuperTrapp-style spark arrestor.
• VW Baja Bugs: Perfect for high-mounted competition or street-legal off-road exhausts.
• Meyers Manx & Clones: Ideal for vintage buggy builds requiring USFS approval for trail access.
• Custom Air-Cooled Dragsters: Used for fine-tuning backpressure on custom-built headers.
• Trikes & Woods Buggies: Ensures fire safety when operating in dry, brush-heavy environments.

SPECS

Precision engineering meets rugged utility in these technical specifications:

• Diameter: 3.00 Inches (Industry Standard).
• Material: High-Quality Corrosion-Resistant Stainless Steel.
• Design: Slotted radial flow pattern for maximum spark diffusion.
• Compatibility: Fits Latest Rage, SuperTrapp, and Empi 3-inch arrestor assemblies.
• Finish: Natural Stainless Steel.
• Quantity: Sold Each (Individual Disc).
• Center Hole: Sized for standard 3-inch arrestor mounting hardware.

PRO TIPS

1. The Art of Tuning Backpressure: Tuning your air-cooled VW exhaust is a trial-and-error process that pays off in horsepower. As a general rule of thumb, start with a stack of 6 to 8 discs for a standard 1600cc engine. If you notice the engine feels "plugged up" at high RPMs, add 2 discs at a time to increase flow. Conversely, if you lose too much low-end torque or the exhaust note is too raspy, remove discs to increase backpressure. Always re-check your spark plug color after making significant changes to your disc stack, as changing the exhaust flow can slightly affect your air-fuel mixture.

2. Never Skip the Anti-Seize: Exhaust components are subjected to extreme thermal expansion and contraction. When assembling your spark arrestor stack, it is absolutely vital to apply a high-temperature copper or nickel-based anti-seize lubricant to the threads of the mounting bolts. Without this, the heat will effectively "weld" the bolts to the housing over time, making it nearly impossible to add or remove discs in the future without snapping a bolt. A small amount of prevention goes a long way in maintaining a tunable system.

3. Keep It Legal and Safe: While it is tempting to stack a massive amount of discs for maximum flow and noise, remember that the primary job of these discs is to act as a spark arrestor. In many State and National Parks, a spark arrestor is only legal if it is properly maintained and contains enough discs to trap hot carbon particles. Regularly inspect your discs for cracks or carbon buildup. If the slots become clogged with soot, your performance will drop significantly; a quick soak in a carbon-dissolving cleaner or a light pass with a wire brush will keep your exhaust flowing freely and your VW trail-legal.