Underground TRD ORP Build with mods parts list & prices

[Fredot]

Seriously - best bang for the buck was the dynamat sound deadening . Makes a world of difference! When you shut the doors, it sounds like a BMW/Mercedes. When you turn the stereo on, it sounds like a concert hall. Here’s the link:

Amazon Basics Sound Deadening Mat, 18" x 32", 9-Piece

This was enough material to do all 4 doors, rear hatch, front floor, rear floor ( not including hybrid battery area). IMO, the roof/headliner area is not necessary, and would require extra material.

How did you install? Pics?

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[jcash25]

How bad was the turbo whine? Every once and a while i can hear a little turbo whine on mine... Brings back memories of my 5.9 Cummins... i dont mind the whine.

 

[4rsreed]

I didn’t take pictures…but here are some helpful videos.

WoW!!! I am impressed you getting into that level of detail.

 

[PatJc]

performance

Finally done! (except maybe an OTT Tune). Included a list of part numbers and sources if your planning the same mods. Did everything myself - so no labor costs. I originally had a SXTH element CAI installed as part of this build. After driving for 10 minutes I realized there’s no way in hell my wife would ever ride in the truck with me. It was way too noisy. Constant turbo whining will annoy just about anyone. I put in the K&N performance filter, and life is good…with a tiny bit more gro

any reason why you didnt go a full 2” on the levelling kit ?

thanks

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