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K&N 69-4521TS 5.0 out of 5 stars 8 Customer Reviews
Intake Kits > Performance Intake Kit

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The K&N 69-4521TS Typhoon air intake system is a free-flowing, mandrel-bent aluminum tube air induction system. The restrictive factory air filter and air intake housing are replaced by the K&N Typhoon air intake which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow. This allows your engine to inhale a larger amount of air than the factory air intake. More air means more usable power and acceleration throughout the engine’s RPM range. The 69-4521TS air intake comes with a black rubber topped K&N high-flow air filter and a heat shield that installs into the previous air box space. Air is directed through the intake tube into the engine’s throttle body for a guaranteed power gain. The intake tube has an attractive silver powder-coated finish that's made to last and accommodates the factory mass air sensor. The oversized cone shaped air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install usually in 90 minutes or less using existing factory mounting points. The tools needed are a couple of screwdrivers, pliers, ratchet set and an Allen wrench. Some Typhoon air intakes are not legal for sale or use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal. Check the K&N catalog or website for vehicle applications and specific CARB status for each vehicle and air intake.

[More Information on Typhoon Air Intake Systems]
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Low restriction aluminum tube
  • Easy to install, usually in 90 minutes or less
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Replaces stock air intake system
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty
Available Information
Installation Instruction Sheet
69-4521TS Vehicle Applications
Dyno Chart - 2011 Chevrolet Cruze 1.4L Turbo - 6.49HP Increase
Video Installation Video
News Story - K&N Air Intake Adds 6.4 Horsepower to 2011 Chevy Cruze 1.4L Turbo

Part 69-4521TS Product Specifications
Product Style: 69 Series Typhoon Kits
Estimated Horsepower Gain: 6.49 HP @ 5000 RPM
Replacement Filter: RU-5147
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: No
Air Filter Height: 5.5 in (140 mm)
TUV Approved (Europe): No
Air Filter Material: Cotton Gauze
Clamps Included: 1
Clamp Material: Stainless Steel
Clamp Style: Regular
System Type: Cold-Air Intake System
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
Intake Pipe Color / Finish: Silver
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Vacuum Tubing Included: No
California Restricted: Not legal for sale or use in California
Weight: 6.9 lb (3.2 kg)
Product Box Length: 18.25 in (464 mm)
Product Box Width: 14.5 in (368 mm)
Product Box Height: 8.5 in (216 mm)

Horsepower gains based on similar vehicle dynamometer test. Results will vary.

Product Reviews    See all reviews!  Review part 69-4521TS

 I have had the 69-4521TS in for a week or two and I love it. I have a lot more low end torque and much smoother power curve. I would recommend this to anyone that has a Chevy Cruze. Much more fun to drive!
William Wear, Boca Raton Florida
 I love my new intake! I've already noticed big gains in both performance and fuel economy in the little time I have had it installed! I mainly do city driving and I have already seen around a 2 mpg increase. I can't wait to see how much of a gain I am able to make on the highway. If there is one bad side it's that it makes the car a lot louder. You are really able to hear the turbo now which is cool but it is a lot louder than I expected. Even with that being the case I'm still in love with it!
Matt, Cincinnati Ohio
 Great intake, easy install, and sounds really good.
Robert, Massillon, Ohio