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K&N 21-3101 - K&N Boost Control Module
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K&N 21-3101 - K&N Boost Control Module

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K&N 21-3101 - Single

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  • Description
  • Benefits
  • Technical Info
  • Fitment / Compatibility
  • Shipping Explained

Description:
K&N 21-3101 - K&N Boost Control Module

The K&N 21-3101 fits some Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models. The Boost Control Module instructs the vehicle's ECU to increase the amount of pressure in the manifold to a higher level before releasing it through the wastegate, keeping more boost available for when you need it (up to an estimate 49 horsepower and 82 lb./ft. of torque). The module reads the MAP (manifold air pressure), preventing over-boost and ensuring that power is added safely. Everything you need to set up your Boost Control Module, including the control module, wiring harness, adjustable control dial, and complete instructions are included. Featuring easy plug & play installation, it can typically be installed and ready to use in 30 minutes or less!

Please contact us to help identify which parts fit your vehicle.

PDF Downloads:

Download the Technical PDF

Benefits:

  • Easy plug and play installation
  • No modifications or software needed
  • In-cab adjustability
  • Stackable with K&N Throttle Control Module
  • Compatible with most other performance upgrades

Technical Information:

  • Estimated Horsepower Gain: 30.6 HP @ 2950 RPM
  • Product Style: K&N Boost Controller
  • Weight: 1.3 lb (0.6 kg)
  • Product Box Height: 3.13 in (79 mm)
  • Product Box Length: 9.63 in (244 mm)
  • Product Box Width: 7.75 in (197 mm)

Fitment / Compatibility:

  • 2018 GMC Sierra 3500 HD 6.6L V8 Diesel Engine
    All Models
  • 2018 GMC Sierra 2500 HD 6.6L V8 Diesel Engine
    All Models
  • 2018 Chevrolet Silverado 3500 HD 6.6L V8 Diesel Engine
    All Models
  • 2018 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Engine
    All Models
  • 2017 GMC Sierra 3500 HD 6.6L V8 Diesel Engine
    All Models
  • 2017 GMC Sierra 2500 HD 6.6L V8 Diesel Engine
    All Models
  • 2017 Chevrolet Silverado 3500 HD 6.6L V8 Diesel Engine
    All Models
  • 2017 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Engine
    All Models

Shipping

SHIPPING IS FREE* for orders of £75 and over , regardless of the weight of your order.
We've tried to keep all other shipping costs as low as we can.

Carriage starts at just £0.95 (inc VAT) for small items, with our most common courier rate set at £5.99 for orders of 5kg (enough for 5 litres of oil).

  • *Free shipping is available for UK Royal Mail, UPS Access Point™ (click & collect) and standard UK courier services (not express / priority / islands).
  • Courier surcharges mean we are unable to offer free "to the door" courier shipping from us in Cornwall up to Highlands / Grampian in Scotland - and because we send a lot of liquids, not every courier option is available to us. UPS Access Point™ (click & collect) is available as a free shipping option across Scotland, Wales and England, wherever there is a UPS Access Point™ Location.
  • Carriage charges are based on weight - please see our table of carriage costs for full details (although adding an item to your cart and viewing the calculated carriage is often easier!).
  • Priority shipping is also available.

How long will it take to get my order?

We give an estimate of delivery dates as you shop and in your basket. The vast majority of items are held in stock and dispatched from our UK warehouse and we'll do all we can to get your order to you as quickly as possible.

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