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Bully Dog - Rapid Flow(TM) Cold Air Induction Intake (53108)

Air Intake Kit

$369.99

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This part fits

  1. 2016 GMC Sierra 3500 HD 6.6L V8 cid:403 cc:6599
  2. 2016 Chevrolet Silverado 3500 HD 6.6L V8 cid:403 cc:6599
  3. 2016 Chevrolet Silverado 2500 HD 6.6L V8 cid:403 cc:6599
  4. 2016 GMC Sierra 2500 HD 6.6L V8 cid:403 cc:6599
  5. 2015 Chevrolet Silverado 3500 HD LT 6.6L V8 cid:403 cc:6599
  6. 2015 GMC Sierra 3500 HD 6.6L V8 cid:403 cc:6599
  7. 2015 GMC Sierra 2500 HD 6.6L V8 cid:403 cc:6599
  8. 2015 Chevrolet Silverado 3500 HD WT 6.6L V8 cid:403 cc:6599
  9. 2015 Chevrolet Silverado 2500 HD 6.6L V8 cid:403 cc:6599
  10. 2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 cid:403 cc:6599
  11. 2014 GMC Sierra 3500 HD 6.6L V8 cid:403 cc:6599
  12. 2014 GMC Sierra 2500 HD 6.6L V8 cid:403 cc:6599
  13. 2014 Chevrolet Silverado 3500 HD 6.6L V8 cid:403 cc:6599
  14. 2014 Chevrolet Silverado 2500 HD 6.6L V8 cid:403 cc:6599
  15. 2013 Chevrolet Silverado 3500 HD 6.6L V8 cid:403 cc:6599
  16. 2013 GMC Sierra 3500 HD 6.6L V8 cid:403 cc:6599
  17. 2013 GMC Sierra 2500 HD 6.6L V8 cid:403 cc:6599
  18. 2013 Chevrolet Silverado 2500 HD 6.6L V8 cid:403 cc:6599
  19. show all...
Authorized Dealer
Not for sale or street use in California.

About this product

Part #: 53108

The RFI is an advanced airflow induction built to increase the engine's ability to breath. By replacing the restrictive stock induction, RFI increases horsepower, torque, fuel efficiency, and decreases exhaust gas temperatures. By removing the stock air box, replacing it with a metal heat shield, and using a conical air filter you can maximize the air filter cleaning area and allow the engine to breathe easier and produce more horsepower. All RFI inductions use a lifetime reusable 4 inch layer cotton gauze filter. This design, combined with deep pleats, make these filters ideal for high performance use.

More Details

See what our community says about bully-dog products

What made you choose this particular product?
I first began researching this product because the stock setting for my speed limiter was 20 mph lower than the car's drag limited top speed, which bothered me out on empty, desert highways. When I looked into different tuners, this one claimed a decent increase in power and torque while not affecting fuel economy or actually increasing it. The reviews affirmed these claims and reassured me that the tune would not fry my ECU. I also like how this product can advance my vehicle's timing to its most efficient level (2 degrees) at the cost of emissions increasing.
Is this your first time buying from this brand? Did you consider other brands?
Yes. Other brands were either too risky for my car's ECU or too expensive for the benefits they delivered.
Was it easy to install? Any installation tips that will help others?
This product plugs directly into the OBD2 port of my vehicle. For power, there is a USB cord so you can bring a laptop in the car when you want to tune. Permanent powering is harder because you would have to drill through the dashboard to the fuse box and splice in the wires. I chose not to do this because I only need it for periodic tuning so I just take the product out when I'm done.
Once you've had a chance to use the product, did it meet your expectations?
Good bang for the buck. Increased top speed from 110-130 mph, increased HP from 175-200 (not dyno tested), and increased torque to the extent that I do notice a difference. WOT acceleration is also enabled under 40 mph, which can be fun with the paddle shifter.
View on Jake's build
What made you choose this particular product?
Ease of use, information guages
Is this your first time buying from this brand? Did you consider other brands?
Yes
Was it easy to install? Any installation tips that will help others?
Very easy
Once you've had a chance to use the product, did it meet your expectations?
It was very fun
Any additional comments?
Use only as a guage. No longer a tuner
View on Levi's build
WARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

Benefits of adding this mod

A factory air intake system compromises your performance with restrictive tubing and low quality paper air filters. Upgrading to a wide breathing cold air intake optimized for delivering cooler, more dense air to your engine is the least expensive way to boost power and increase your fuel mileage. Take it a step further with our selection of forced induction turbos or superchargers to maximize your motor’s performance and breathe new life into your custom build.

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we ship worldwide!

Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

+ FREE GROUND SHIPPING ON U.S. ORDERS OVER $99
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Smoking Tire / The Drive

Thank you for all the help, really. You guys are awesome. This is all great info and I really appreciate everything you have done to help me with my build.

James M.

Ford Focus ST

Your customer service is wonderful. Thank you for taking care of this. My review will express all. Thank you!

Wallace R

Chevrolet Silverado 1500