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There should be a nut on a short piece of metal bar included in the hardware, you just need to fiddle it in from behind that fender hole.
Some trimming and 4-5 times refitting might be needed to get this intake to fit properly.
I finally completed the intake install. Here is the various issues and modifications I had to do -
1. I failed to realize the front intake mount hardware needed to be replaced with the supplied replacement, which lowers the position of the intake!
- this caused me to waste time trying to align the OEM piece to fit AND caused fitment issues with my Ingalls ETD.
2. Lining up the three mounting locations was a PITA. I did end up widening the holes in box to allow easier alignment.
3. CF intake box cover - man is the fitment rough. I ended up having to Dremel five loxations; 1. Radiator stay, 2. Strut tower corner, 3. Hood prop holder, 4. Fender notch bracket, 5. Front tip, to avoid rubbing my APR CF cooling cover.
4. Rattling, took me a few rounds of trimming and sanding with the Dremel to avoid excessive removal of material.
5. Screws holding CF cover. The front screw ended up loosening out and got lost after a few test runs. The screws are very nicely polished SS m6 screws which I could not replace, therefore I ended up with generic Home Depot SS screws and SS washers. I used blue locktite to ensure they no longer vibrate off.
6. Loudness of intake - I found the intake to be a bit too loud for my liking. Therefore ended up covering the CF cover with a sheet of dynamat. I used a piece of paper to make a template to cover enough of the CF up top the edge of the mounting holes. Additionally I applied a thin compressible rubber weatherstripping along the interior box to simulate a seal.
7. Intake tube to throttle body coupler - it's an odd offset shaped to accommodate the fitment of the intake tube to throttle body. I'm not sure why the intake tube was not designed shorter to have a cleaner straight connection to throttle body, this seems like a minor design flaw to me.
Hypothesis and conclusion - overall I purchased this intake for the design - closed induction box, foam filter with velocity stack, high volume intake tube.
In theory, I felt like this would work well for throttle response and cooling due to location of air inlet.
I've had experience with comptech parts in the past, and had a high expectation in terms of quality and fitment.
I was a bit disappointed with the overall installation and subpar quality, but after dealing with the adjustments and modifications, I thoroughly enjoy the intakes throttle response and intake sound.
Mine (pre dbw) came with a regular straight coupler to the TB.
I was thinking yours looked like that because of bad fitment, but is that coupler intentionally s-shaped?
Ah makes total sense now. DBW has different intake manifold, I assume the runners or plenum extend further away from motor. Yes it is an S shaped coupler.