The GTO took a ride to Hotrod Express this morning to have the exhaust system built.

https://j.hmjimg.com/2023/04/14/GTOV3-850.md.jpg


https://j.hmjimg.com/2023/04/14/GTOV3-851.md.jpg

To recap, the plan is to carry the single 4" from the downpipe, past the transmission crossmember. From there I have a Burns Stainless single 4" to dual 3" splitter, which then will feed into Dynomax UltraFlow Welded (PN 17547) large case mufflers and then tailpipes out the back with the OEM looking dual tips in the stock location. One of the 3" pipes will also have the exhaust valve installed before the muffler. This will allow me to effectively turn it into a single exhaust system for cruising on the highway. The exhaust valve will be controlled by the Holley Dominator ECU.

Andrew

Sounds like a good plan to me.

Great car!

The GTO is at HotRod Express and they have been making some progress on the exhaust.

https://j.hmjimg.com/2023/04/20/GTOV3-852.md.jpg

The ends of the tailpipes will also be modified to bring the stock looking tips through the cutouts in the rear valance panel.

https://j.hmjimg.com/2023/04/20/GTOV3-853.md.jpg



https://j.hmjimg.com/2023/04/20/GTOV3-854.md.jpg



https://j.hmjimg.com/2023/04/20/GTOV3-855.md.jpg

There are going to be some issues with the tailpipes, which we anticipated. The the RideTech coilover is making the tailpipe fitment a little tricky. At this point it is clear that the front corners of the gas tank will need to be notched.

Andrew

Dash insert
 

The dash insert looks great. What is the bezel insert covered with as it looks to have a texture to it ?

It is a vinyl wrap that Vic had handy. He also used it on the 3D printed cover for the boost control solenoids.

Andrew

Here are some more progress pictures from HotRod Express:

https://j.hmjimg.com/2023/04/25/GTOV3-856.md.jpg


https://j.hmjimg.com/2023/04/25/GTOV3-857.md.jpg


https://j.hmjimg.com/2023/04/25/GTOV3-858.md.jpg


https://j.hmjimg.com/2023/04/25/GTOV3-859.md.jpg


https://j.hmjimg.com/2023/04/25/GTOV3-860.md.jpg


https://j.hmjimg.com/2023/04/25/GTOV3-861.md.jpg


https://j.hmjimg.com/2023/04/25/GTOV3-862.md.jpg

Andrew

More progress is being made on the exhaust:

https://j.hmjimg.com/2023/04/26/GTOV3-863.md.jpg


https://j.hmjimg.com/2023/04/26/GTOV3-864.md.jpg


https://j.hmjimg.com/2023/04/26/GTOV3-865.md.jpg


https://j.hmjimg.com/2023/04/26/GTOV3-866.md.jpg


https://j.hmjimg.com/2023/04/26/GTOV3-867.md.jpg


https://j.hmjimg.com/2023/04/26/GTOV3-868.md.jpg


https://j.hmjimg.com/2023/04/26/GTOV3-869.md.jpg


https://j.hmjimg.com/2023/04/26/GTOV3-870.md.jpg

Andrew

Very nice work. Curious how it sounds.

I am a little curious myself...

Andrew