Performance Air Intake for Chevy Monte Carlo SS/Chevy Impala SS (2006-2009) 5.3L V8 Engine BlackExtract up to 10% more power from your LS4 V8 with a precision engineered performance intake that replaces restrictive factory components. Proven gains in horsepower, torque, and throttle response with a washable filter that lasts 50,000 miles between cleanings. Give Your V8 the Air It's Been Craving Since Day One The 2006 2009 Monte Carlo SS and Impala SS share something specialChevrolet's front wheel drive LS4 V8 platform, delivering 303 horsepower