HKS Hi-Power 1998-2005 Lexus GS300 (dual rear sections)Inspired and designed using research from endurance and GT racing in Japan, HKS developed its Hi Power Exhaust system for turbocharged applications. They have incorporated this new race inspired offset muffler and piping design into many street applications, which offer a greater exhaust flow and higher PRM power gains due to the less restrictive design. This is achieved by eliminating unnecessary bends for the straightest exhaust path. Features Matte