2009 to 2012 Acura RL Sports Sedan Gets Star Treatment from K&N Air Filter Technology

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Acura's flagship model, the RL, received a heavy make over for 2009. Refreshed exterior styling is matched with a refined and enlarged power train. The RL's V6 now displaces 3.7L and produces a claimed 300 horsepower at 6,300 RPM. 300 horsepower, all wheel drive, and an MSRP that's thousands less than it's competition, makes this midsize luxury sedan very competitive in a market segment where image is everything.

Replacement air filter for Acura RL 3.7L
Replacement air filter for Acura RL 3.7L
K&N has designed a washable and reusable lifetime air filter, part number 33-2425, for the 2009, 2010, 2011 and 2012 Acura RL 3.7L V6. 33-2425 is made from cotton instead of paper and never needs to be replaced. K&N air filters provide less restriction than typical paper air filters, which can increase the efficiency of the combustion process, creating more horsepower and torque. The simple drop in design makes a K&N replacement air filter an easy, and ecological, performance add-on for your 2009, 2010, 2011 or 2012 Acura RL 3.7L V6.

This K&N low-restriction air filter is washable and reusable. Allowing your engine to breathe easier can give your car extra horsepower and extra acceleration that can come in handy, even during every day driving. The 33-2425 will require cleaning every 50,000 miles under normal highway driving conditions. It will provide outstanding engine protection for the life of your vehicle and since it never needs to be replaced part number 33-2425 will help to reduce waste.

K&N stock replacement air filters for street vehicles are covered by our famous K&N Million Mile Limited Warranty® and will be the last air filter your vehicle will ever need.

Use the K&N application search to find all K&N products for your ATV, motorcycle, or vehicle then use the K&N dealer search to find a K&N dealer near you.

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K&N Engineering, Inc., with headquarters in Riverside, California, has been the world's leader in performance filter technology since 1969, serving the needs of the automotive, motorcycle, marine, industrial and military markets. K&N is heavily involved in nearly every form of motorsports from off-road and powersports to drag racing, stock cars and road racing. For more information about K&N Filters, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail, or visit