Optimizes airflow, air density, continuous power MPG. Honors the host vehicle improves longevity. Combines Ram - Air Intake and 100 stainless Monster Exhaust to dramatically improve engine breathing. Combines Ram - Air Intake and 100 percent stainless Monster Exhaust. Dramatically improves engine breathing for greater efficiency, power and fuel economy. 4.0L 6 - CYL 1998 - 2006 Wrangler TJ. Stinger is an engineered power system for Jeep street and off - road applications. With its free - breathing Banks Ram - Air Intake and Monster Exhaust upgrades, Stinger liberates 4.0L Jeeps from airflow restrictions, improving engine efficiency, durability and fuel economy while increasing power. The exhaust note is authoritative, yet civil, and includes a stainless tailpipe tip in either Chrome or black. The included Banks AutoMind programmer comes ready to run with pre - loaded power, with towing, sport, or economy settings right out of the box - and right for the job at hand Its calibrations were developed with power and increased MPG in mind. The AutoMind can also display a host of critical engine functions and provides service technician diagnostic capabilities with its ability to scan and clear vehicle trouble codes.