Enhance exhaust control precision with this 4.00" butterfly kit, designed for seamless integration in cut-outs and control valves. Its compact 14 cm length and lightweight 0.133 kg construction ensure easy installation without sacrificing durability. Discover how this QTP brand component improves your exhaust system's responsiveness and reliability.

Achieve precise control over your exhaust system with this 3.50" butterfly kit, designed to regulate airflow efficiently. Its compact dimensions of 10 cm by 10 cm ensure easy integration into existing setups without adding bulk. Engineered by QTP, this lightweight 0.133 kg assembly includes screws, a butterfly plate, and coupler shaft for reliable performance under demanding conditions.