When I popped my head gaskets, I wanted to do something about the EGR to prevent this from happening again.
With the emission testing in mind. I decided that I wanted to keep the factory look. So that emission testers can not tell if your EGR system has been modified. Also the EGR valve has not been touch. No codes have been thrown out, even with a tuner. Also my tunes are not set up for egr disable.
To date, I've been running this system on my personal truck for almost a year with zero problems. This includes pulling a 11,500 lb. fifth over the passes in Washington state many times. My Egt's never went over 1200 degrees, and my engine coolant never went too hot while pulling on long steep passes (6+ percent grade). I'm not easy on my own equipment.
The welding procedure is tig, and the material is 304 Stainless Steel.
The procedure is still the same. The only difference is that one body is a square tube, and the other body is a circular tube. You still weld the same way. That is the only difference.
Yeah was pretty simple to make. I have made 9 of these units 4 a local diesel repair shop. But things have tapered off in the last year. Pretty much people are buying deletes online.
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