Straightline Performance SPI Lightweight Mountain Muffler Stainless Arctic Cat Catalyst 600

Straightline Performance lightweight full stainless steel muffler for Arctic Cat Catalyst 600 models. Built for durability and mountain performance, this muffler combines significant weight reduction with excellent corrosion resistance. According to the manufacturer, it weighs 5.30 lb / 2.40 kg, saving approximately 13.05 lb / 5.92 kg compared with the stock muffler. The reduced weight helps improve handling and maneuverability.

Optimized exhaust flow and a bold, crisp exhaust tone complement the performance of the Catalyst 600. Designed specifically for a precise fit on the Catalyst platform.

Fitment: Arctic Cat Catalyst 600, model years 2025–2026.
Weight: 5.30 lb / 2.40 kg
Weight saving: 13.05 lb / 5.92 kg compared with stock
Dimensions: 21 × 11 × 7 in / 53.34 × 27.94 × 17.78 cm