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Future Intake project

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Old Sep 13, 2025 | 05:24 PM
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Default Future Intake project

So I am in the process of pulling parts together to do some simple bolt ons.

-MSD Atomic Air force

- Katech 103 mm Throttle Body

next purchase AMERICAN Racing Long tube headers and high flow cats. This will be a winter project (although the NC winter is so mild I can drive all 4 seasons) I don’t want to install the intake/Throttle body before the headers as I don’t want to have to do tuning and dyno twice. I would rather wait and do it all at once. Install, dyno tune, drive it. Thinking of going to RPM in Garner NC for the install and tuning.

I also picked up a throttle body coupler to do the plumbing back to the stock air inlet.

question, would cold air intake make much of a difference HP wise vs the coupler to factory air inlet? I see a Corsa cold air intake used for 1000 miles for $750. Just wondering if the ROI is there or not?

the throttle body is just dry fitted to intake so I could see how it would look.


ps: yes I have a flooring project on the books next week hence the flooring boxes 😂. They are stacked at a perfect height so no bending down to take pictures 😆

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Old Sep 14, 2025 | 01:28 AM
  #2  
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96GS#007
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Let me put it to you this way....0

I have a fully built 416, 570 whp The tune optimized OEM throttle body vs tune optimized Nick Williams 103mm throttle body was a 10whp peak difference. Low and mid rpms were a wash.

The aftermarket CAIs have the same size tube as OEM. If you can find one that's larger then maybe it will matter a tiny tiny bit on a basically stock engine. GM was making 650hp through the same size tube and throttle body as the LT1. The Z06 does respond well to a CAI and throttle body. LT1.....meh.
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