HPS (87-68420-BLK) Black Silicone Post MAF Air Intake Tube for Honda Civic Si Coupe/Sedan Replaces the stock OEM restrictive hose with high temperature reinforced silicon material, improve air flow and reduce heat soak while keeping the stock well designed air box perform at high efficient level Without any re-tuning, the HPS silicone post MAF air intake tube delivers dyno-proven performance gains of 4.9 wheel horsepower, 2.5 foot/pounds This silicone intake hose does not trigger check engine light; installation time is approximately 45 minutes Temperature range: -65 degree Fahrenheit to +350 degree Fahrenheit (177 degree Celsius); 100 percent stainless steel clamps are included for easy installation Vehicle application: Honda 06-10 Civic Si Coupe and Sedan