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smart fortwo Cold Air Intake + Induction Tube Set
451 model

Product Information
$269.99 Save $70.00
As Low as  with Affirm.
Average Rating:
2 Reviews

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Give your smart 451 a boost in power and fuel economy with the very best intake on the market and the Induction Tube Upgrade by MADNESS!


  • #1 Selling Intake for the 451 model smart
  • Get a quicker response from the start
  • Increased Performance from both low and high RPM's
  • Increased Fuel Mileage 
  • Weighs less than other competing units 
  • Short Ram Air Design to maximize airflow in to the filter
  • Intake is design to link up with the existing side air vent
  • Cooler Intake Temperatures
  • Shield bolts directly to the pipe eliminating tabs
  • Each Pipe is Mandrel Bent to Guarantee Maximum Air Flow 
  • Powder coated in a durable, long lasting Black Wrinkle finish
  • We pre assemble each intake to make installation easier
  • Comes with all hardware needed
  • High Performance K&N Air Filter Included
  • Silicone Induction Tube specifically designed to replace the factory flex pipe
  • Silicone Induction Tube provides much smoother airflow to the intake and also creates a better seal between the side vent and the intake
  • Will not fit turbo model smart cars

Please note!

This product is effective and legal for off road, track and also street use in many countries, regions and/or states and has been used by many smart car owners and enthusiasts from all over the world.

However, this product may not be legal for sale or street use in places like California, USA and other countries, Regions and/or States that have adopted California Emissions Standards under Section 177 of the Federal Clean Air Act of 1970 or other similar regulations that may be in place in other countries.

Since we ship this item globally and each country, region and/ or state may have different rules and regulations this item is being listed as a product for "Off Road/ Track Use Only". Please check your local laws ordering and installing this item on your vehicle if you are using this product on a vehicle that is driven on public roads.

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About Manufacturer

Established in 2009 SILA Concepts is committed to providing world-class products which surpass the expectations of our customers.

The company goal at SILA Concepts is to provide our fellow enthusiasts with great quality products that have been designed to exceed expectations and also offer a great value.

Rest assured when you choose SILA Concepts products they have been designed and thoroughly tested to function properly on the vehicle they were designed for.

Product Reviews

Average user rating

5 / 5

2 total