Straightline Performance SPI Lightweight Carbon Muffler Arctic Cat Catalyst 600

Straightline Performance carbon fiber and stainless steel lightweight mountain muffler for Arctic Cat Catalyst 600 models. Weighing just 3.70 lb / 1.68 kg, this ultra-light muffler saves a manufacturer-claimed 14.65 lb / 6.64 kg compared with the stock muffler. The reduced weight improves maneuverability, control and responsiveness, especially in technical terrain and deep snow.

The genuine carbon fiber body provides excellent heat resistance, while stainless steel components add durability and corrosion resistance. A deep, aggressive exhaust tone complements mountain riding. As a serviceable carbon fiber component, the muffler should be inspected regularly and repacked or rebuilt when required.

Fitment: Arctic Cat Catalyst 600, model years 2025–2026.
Weight: 3.70 lb / 1.68 kg
Weight saving: 14.65 lb / 6.64 kg compared with stock
Dimensions: 21 × 11 × 7 in / 53.34 × 27.94 × 17.78 cm