Our Disc Only allows you to add this lightweight, tunable 12-disc assembly with a simple mounting adaptor to your existing muffler. They’re great for racing and off-road applications. These utilize our patented Tunable Disc Technology which allows them to be an integrated U.S. Forest Service approved spark arrestor.

SOLD AS DISC ONLY OR ADAPTOR ONLY.

The 3” Disc Only have a 1.75”(44.5mm), 2.00”(50.8mm) or 3.00”(76.2mm) inlet diameter (ID).

The 4” Disc Only have a 2.00”(50.8mm), 2.50”(63.5mm) or 3.50”(88.9mm) ID.

The 5” Disc Only have a 2.50”(63.5mm), 3.00”(76.2mm) or 3.50”(88.9mm) ID.

The 4” Disc Adaptor Only have a 2.00”(50.8mm or 2.50”(63.5mm) ID.

The 5” Disc Adaptor Only have a 2.50”(63.5mm), 3.00”(76.2mm) or 3.50”(88.9mm) ID.

Select models include 12 discs and a Closed End Cap. All models include all necessary mounting hardware.

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