Hooker 70301303-RHKR Features:

• Max gains of 15.4 HP and 14.4 lbs.-ft. Torque
• Constructed of 1 3/4 in. diameter mandrel-bent, 18-gauge 304SS tuned length primary tubes
• 3/8 in. thick 304SS flanges for durability & large sealing surface
• Utilizes true mitered merge collectors designed to maximize exhaust velocity and scavenging, resulting in a broad torque curve
• Retains factory catalytic converters
• Comes with all hardware & O2 extensions to utilize factory O2 Sensor
• 100-percent bolt-on with no modifications necessary, direct replacement for OEM Cast Iron Manifold

Emissions: CARB (California Air Resources Board) D-115-20 is compliant with California and any US state adopting California restrictions.