Weapon R Cold Air Intake Extension Pipe Only Nissan 350Z 2003-2006 | 304-131-201 FocusST_2013-2018 Works with factory airbox

Works with factory airbox

Not R90-approved for road use in European markets (track-focused compound)

Rapid throttle transitions

functional design built for performance

this is a proven solution trusted in professional motorsports worldwide

Weapon R Cold Air Intake Extension Pipe Only Nissan 350Z 2003-2006 | 304-131-201 FocusST_2013-2018 Works with factory airboxThe Weapon R Secret Weapon Cold Air Intake Extension Pipe is specifically engineered for 2003 2006 Nissan 350Z models to maximize cold air flow and enhance engine performance. This precision crafted extension pipe works with existing cold air intake systems to relocate the air filter further from the engine bay heat, delivering cooler, denser air for improved horsepower and throttle response. Key Features & Benefits Heat Shield Technology Moves air