Great little addition for the money. Super easy instal, no leaks right off the bat. I've only had it in for a few days but am starting to see a noticeable difference. The truck seems to warm up faster, turns over quicker on cold days, and idles a lot smoother. The truck sounds different at idle for sure.

Definitely makes a difference. Pretty simple to install with the right tools.

Perfect fit.

Installed this and FRx at same time. Unlike FRx, this was a very easy install. I pulled the spider because I had to replace my boots at the head anyway. After installing both, only change noticed was possibly the truck was slightly more quiet. Perdels on #8 actually increased by 0.3 to 0.4% after install for a total of 5.1% average. The big difference came when I replaced the dark blue CPS with an original black CPS, dropping perdels down to as low as 1.8% on #8 with an average of 2.2%. Engine is quieter and feels more smooth now.

The part came in as promised, easy to install and works as advertised. Made my start up easier and idles quieter on my 99 7.3 powerstroke

Great product! good quality, fast shipping, perfect fit. No complaints. Made my truck a lot quieter at idle and maybe even a little going down the road. When truck is cold started now it doesnt have any injector noise almost as if it was already warm. Thanks for another quality product.

I’ve installed this onto a f-550 7.3L mechanics truck. I’m not sure if it has made the engine run any quieter or not, but I have this crossover on my other f-350 7.3L work truck & thought I would give it a try. Install was pretty simple. Only took 20 or 30 minutes. Good fit.

First got this for my personal 7.3 and noticed a little difference but I bet if I hooked up a scan tool you could see a huge difference with icp signals. Liked it so much I installed it on a customers truck after a new set of injectors.

Supper easy for me to install. Great product. My 7.3l excursion is not as loud now and smoother. I plan on purchasing more products from riffraff.