HKS 31021-AF013 Legamax Premium Rear Section Exhaust System

The HKS Legamax Premium Exhaust – Rear Section (Part# 31021-AF013) is a performance exhaust component engineered to reduce backpressure and increase exhaust flow for measurable gains in both peak power and torque. Designed as part of HKS's renowned Legamax lineup, this rear section delivers a well-balanced performance profile suited for enthusiasts who demand both low-end torque retention and high-end horsepower gains.

Key Features:

• Engineered to reduce backpressure and improve exhaust flow for greater peak power output
• Optimized piping diameter and muffler geometry maintain low-end torque while maximizing top-end performance
• Constructed from polished SUS304 stainless steel piping for superior corrosion resistance and long-term durability
• Application-specific muffler design and shape for precise fitment and optimal acoustic tuning
• Broader powerband delivery compared to restrictive OEM exhaust systems
• Premium finish suitable for show and performance use

HKS Legamax exhaust systems are developed with application-specific engineering, ensuring each component is matched to the vehicle's exhaust characteristics. The use of SUS304 polished stainless steel construction ensures lasting performance and a clean, professional appearance under demanding conditions.