For the price they could Polish the inside for smoother flow instead of leaving it with the rough cast texture. Overall, fitment was easy and seals well.

I was having EGT problems while pulling heavy trailers (10 ton). The AFE intake fixed 90% of my EGT issues. I'm able to stay in 5th gear longer, it's easier to control the EGT rise while pulling long hills Plus my truck is quieter at idle and fixed a small flat spot in the upper rpm while loaded heavy!
Yes! The AFE intake manifold is worth money and time to change it.

Keeping the cool air away from the hot air, Smart thinking, and the flow was extremely better you can see that by just comparing, awesome product

I purchased this part because my plenums and turbo didn't line up close enough to get the awesome RiffRaff boots on. I know some say just cut the old spider in half but this is a clean look and an easy install.
Not sure if it gives any real performance gain, honestly I just did all new RiffRaff boots and they are most likely responsible for the better turbo performance. The stockboots leaked boost like crazy.
The fit and finish were very good. It is a better quality casting than the stock part. All the stock parts transfer over easily, and the directions were clear enough. Simple install over all.

This is a great product. It fits into the valley of the engine block with a clean appearance. The quality is much better than OEM, the interior is smoother the ends fit into the boots better and all the other fittings line up perfect.

Easy to install looks great on the truck. Only problem was getting to your sender on the bottom side was a pain for getting plugged back in other then that I recomand for everyone

Fast shipping, perfect fit, and great step by step instructions. Never order powerstroke parts from anywhere else. Thanks RiffRaff!