Feature●1.To increase airflow and improve horsepower from between 7-12 HP depending on the vehicle and application●2. Improved horsepower and throttle response●3. Recommended for the intake and exhaust of cold air in modified cars●4. Simple installation and excellent material●5. Please confirm your model is suitable before buyingDescription 1724 62mm Throttle Body, Compatible with 1991-2003 Jeep 4.0L ,improved horsepower and throttle response