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2014-2015 Toyota Tundra 4.6L & 5.7L V8 Trucks Get 50-State Legal K&N Intake Option

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2014-2015 Toyota Tundra V8 performance upgrade

K&N has stepped in to offer a street legal bolt on performance upgrade that can be installed in less than 90 minutes and with basic hand tools on 2014-2015 Toyota Tundra V8 trucks

2014-2015 Toyota Tundra 4.6L or 5.7L V8 Street legal performance air intake system

K&N engineers retained the 2014-2015 Toyota Tundra 4.6L or 5.7L V8 stock air filter box allowing K&N intake 57-9036 to earn an exemption order from the California Air Resources Board

Toyota took on the first gen Tundra's critics by introducing a larger second generation Toyota Tundra for the 2007 model year. The second generation effectively squashed complaints about the Tundra being small, but the second blow came from Toyota with the introduction of an all-new 5.7L 3UR-FE V8 engine. The dual VVT-i 5.7L V8 engine was rated at a whopping 381 horsepower and 401 lb-ft of torque. In 2010 Toyota replaced the 4.7L I-Force V8, first introduced in the 2000 Toyota Tundra, with a 4.6L 1UR-FE V8 engine originally used in Lexus models in the Middle East. This new smaller engine belongs to the same engine family as the Tundra's 5.7L engine. It shares the 5.7L engine's 94 mm bore, but with a shorter stroke.

The 381 horsepower and 401 lb-ft of torque offered by the second generation Toyota Tundra's 5.7L 3UR-FE V8 is probably more than enough power for most situations. However, there are times such as towing, hauling a fully loaded bed, or even off-roading where a boost in horsepower can come in handy. For 2014-2015 Toyota Tundra 5.7L V8 owners in need of more power, or 2014-2015 4.6L V8 owners looking to close the power gap, K&N has stepped in to offer a bolt on performance upgrade that can be installed in less than 90 minutes and with basic hand tools for both V8 engines.

Second generation Toyota Tundra 5.7L V8

The second generation Tundra effectively squashed complaints about the Toyota Tundra being small, but the second blow came from Toyota with the introduction of the 5.7L 3UR-FE V8 engine

2015 Toyota Tundra 5.7L V8 K&N intake dyno

When tested on K&N's dyno, this air intake produced an estimated additional 5.8 horsepower and 5.73 pound-feet of torque over the stock system of an otherwise stock 2015 Toyota Tundra 5.7L V8

The K&N 57-9036 performance air intake system is a little different from the average K&N cold air intake system. K&N engineers chose to retain the use of the 2014-2015 Toyota Tundra 4.6L or 5.7L V8 stock air filter box when designing this K&N performance air intake system. Retaining the use of the stock air box allowed K&N engineers to increase performance while leaving all the stock emissions control equipment in place. This allowed K&N air intake 57-9036 to earn an exemption order (EO) from the California Air Resources Board (CARB) for the 2014-2015 Toyota Tundra models listed below.

Despite appearances, the K&N 50-state street legal air intake system for 2014-2015 Toyota Tundra 4.6L or 5.7L V8 pickups is precision-engineered to provide a guaranteed increase in horsepower, better acceleration, and improved engine sound. When tested on K&N's in-house dyno, this air intake produced an estimated additional 5.8 horsepower at 5,508 rpm and 5.73 pound-feet of torque at 3,796 rpm over the stock system of an otherwise stock 2015 Toyota Tundra 5.7L V8. Similar results can be expected when this street legal air intake is installed on 2014-2015 models with a 4.6L V8 engine.

Street legal performance air intake 57-9036 is designed to fit and function properly on the 2014-2015 Toyota Tundra models listed below:

2015 TOYOTA TUNDRA 5.7L V8 F/I - All CARB EO Number: D-269-52
2015 TOYOTA TUNDRA 4.6L V8 F/I - All CARB EO Number: D-269-52
2014 TOYOTA TUNDRA 5.7L V8 F/I – All CARB EO Number: D-269-52
2014 TOYOTA TUNDRA 4.6L V8 F/I - All CARB EO Number: D-269-52

K&N air filters and air intakes for Toyota Tundra models can be found on the Toyota Tundra Air Filters and Toyota Tundra Air Intakes pages. Find vehicle specific performance upgrades from K&N for other vehicles using the Search By Vehicle tool. Use the K&N Dealer Search tool to find an authorized K&N dealer or installer in almost any part of the world.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 50 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.