ignition amplifier colour(black , bule , red) RACING MAX SPEED ... turbo and non turbo engines. RACING MAX SPEED Ignition Amplifier features:1, to enhance the engine low-, medium ... horsepower, fuel-saving 5% -15% year on year; 3, burning completely, to reduce exhaust emissions; 4, to reduce ... ; 6, heat resistance, waterproof design. Universal ignition amplifier engine 3 4 6 cylinder (Black , bule ,red)