– 100% brand new and high quality guaranteed. Strict quality control standards to Build and test. Exposed filter design that enhance air flow. Backing plate promotes smooth airflow into the carb/throttle body. Note : – Instruction Not Included, Professional Installation Is Recommended. Please allow 0.5-1 inch difference due to manual measurement. Check our other listing at our store and save us as your favorite sellers. We will reply to your message in 24-48 hours.