From day to day our demands grow. We require more and more from our vehicles. If you are on the market for more horsepower, then the air intake made by Injen could become very handful. The great thing about this intake system is that it will noticeably enhance air flow, which result in maximum horsepower and torque.

InjenŽ EVO9003 - Evo Series Cold Air Rotomolded Induction System

http://www.carid.com/injen-intakes/e...n-evo9003.html

Note: induction system is manufactured in the US and comes equipped with X-1060 air filter. This intake is good to fit 2011-2013 Ford F-250

It will provide you with up to 19 HP and 51 ft.lbs TQ gain. Check out this DynoJet research it will give you a general idea on how this air intake will work for you: http://www.carid.com/images/injen/ai...dyno-chart.pdf

We also have an air intake system with 1 MAF switch manufactured by Injen for GMC Sierra LML Engine 2012 specifically. See more details here: http://www.carid.com/2012-gmc-sierra...-44043206.html

 

Anything for 01 Duramax?

 

@ beungood

Sure, check out our polished 77 series high-flow performance air intake kit by K&N. It is manufactured as a confirmed fit for Chevy Silverado 2500 HD / 3500 6.6L DSL 2001-2003.
Here is a direct link to it: http://www.carid.com/2001-chevy-silv...es-324831.html