07-10 Duramax LMM Custom 5" RPI Intake Stage 2

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  • Regular price $339.99

This is our full metal 5" Cold Air Intake system for 07.5-10 LMM Duramax, this is the biggest system on the market! 

This system uses a huge 5 Inch T6 Aluminum intake tube for ultimate air flow!

Click here to view available powder coating colors.

You will have faster spool up, lower egt's, Noticeable Horsepower gain, some Mpg gain, and a turbo whistle that will make people look when your going through town!

Our system adds Horsepower you can feel!

This system is made for stock MAF (Mass Air Flow Sensor) calibration. Meaning this system works perfect with no check engine lights, no matter if your truck is stock, or highly modified. NO EFI Live Required!

Has a bolt in heat shield that is vary well sealed to keep underhood temps away from the large Filter, it provides a fresh cold air supply straight to the filter for lower egt's and better performance. It is normal to see 150-250 deg drop in egt's with this system.

We use only the best filters on all our intake systems


These are Custom built to order,  so it takes 10-20 days to ship out, depending on how many orders we have that week.

If you want a color we do not list just let us know.

Has RPI Logo on top of heat shield lid, we can do Custom lids that say: LMM, 6.6, or other options. For custom cutouts on lid it is an extra $25



Ask a Question
  • Would you happen to have a video sound clip of this installed? Thanks

    Yes here are the links:


  • Why is gloss black $10 extra??

    Because it is a more difficult color to do and requires more time

  • Will the Stage 2 fit an engine with the EGT cooler &/or stock turbo inlet still installed?

    Yes it will fit with or without EGR cooler installed, and it will fit stock turbo inlet (mouthpiece) or it will also fit hsp 3.5" metal mouthpiece, afe mouthpiece, or wcfab mouthpiece.

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