EVIL ENERGY Oil Catch Can, Universal Baffled Catch Can Kit with NBR Fuel Hose, 300ml Aluminum Air Oil Separator Tank for PCV System

I recently installed the Evil Catch Can on my 2006 Chevy Silverado Crew Cab with the LM7 5.3L V8 (311,000 miles on the clock), and I have to say this is an outstanding product. The build quality is solid, the fittings are secure, and the installation process was straightforward. Immediately, I could see the value in running one of these, especially on a higher-mileage engine like mine where crankcase vapors are more of a concern. What really stands out is how effective it is at trapping oil and contaminants that would otherwise end up recirculating through the intake. That’s critical for keeping carbon buildup down, maintaining throttle body cleanliness, and ultimately extending the life of the engine. I plan on installing a second unit so that each bank of my V8 is covered. To me, this makes perfect sense, since both sides of the engine generate blow-by gasses. It honestly baffles me why so many installs I see only utilize a single catch can on the driver’s side. Having one on both sides feels like the most complete way to protect the motor, especially as the miles rack up. Overall, I couldn’t be happier with the purchase. For anyone running an LS-based motor, whether stock or with miles like mine, I’d strongly recommend the Evil Catch Can setup. It’s a small investment that pays off in cleaner internals and added peace of mind.

The EVIL ENERGY universal baffled oil catch can has worked well so far and does exactly what it’s supposed to do. The build quality is good for the price point—the aluminum can feels sturdy, the fittings seal well, and nothing about it feels cheap or poorly made. The internal baffling appears effective, and it’s clearly designed to separate oil vapor and moisture rather than just being an empty container. Installation is straightforward, especially for a universal kit. The included hardware and NBR fuel hose are usable and functional, but I would recommend getting additional fuel hose. Depending on your engine bay layout and where you want to mount the can cleanly, the included hose may be a little short. It works, but extra length makes routing much cleaner and avoids tight bends or stress on the fittings. In actual use, the catch can does its job. It collects oil residue and blow-by that would otherwise be going back into the intake, which is exactly what you want—especially on higher-mileage or performance-oriented engines. The 300ml capacity is a good size: compact enough to mount easily, but large enough that you’re not constantly emptying it. Overall, this is a good value catch can. It works well, looks decent, and performs its intended function without issues. Just plan ahead and buy some extra fuel line to make installation easier and cleaner. For the money, it’s a solid option and I’d buy it again.

The quality is very good an function very well no oil in my intake and all items like hoses and clamps are great as well had it for a year not disappointed at all

I don’t often leave reviews on Amazon, and this is the first time I’ve touched photos, but this is really just to quash some of the reviews I’ve seen where people saying, you know, the quality of this isn’t great. It, to me, for the money, it’s crazily good. It’s a piece of aluminium billet. It’s beautifully engineered. It feels really nice to screw the cap back in and out. Everything’s tight. You can even see the machining marks on it. It looks really, really good. I think the only thing to a couple of the reviews have been negative on quality, might that have been related to the vacuum nipples and the little bracket that sits behind it, and it goes on to probably not quite matching the quality of the actual can itself, but that said, for the money, I can’t believe the quality of this, and I’ve seen other things that are significantly more. I’m very, very pleased with it, and I am fussy, and very, very happy with it, and if you’re thinking about a catch can and perhaps you don’t want to spend as much money as Moroso or another brand, I think this one, for a 300ml catch can, is a really good buy, and would definitely buy these Evil Energy products again after this. Yeah, I think this represents value and quality, and for the price, I just don’t think I can fault it.

Great product, showing this thing to other people has probably made close to 10 sales for this company. Looks good performs great, an price point is spot on

Great little catch can! Super effective for my truck, so much so I just got a larger one from evil energy. Once you figure out where to mount it, installation is a breeze! Air tight with no leaks and the goop i get out of it is mind blowing. Super solid build quality. (Pretty sure itll still be around long after my trucks end) Love evil energy products! Have never had an issue with anything from them, ever.

I installed this oil catch can on my vehicle to help reduce oil blow-by and carbon buildup, and it’s already proving to be a great investment. For the price, the quality is surprisingly good — solid aluminum construction, tight fittings, and no cheap plastic parts. Installation was straightforward. It came with all the necessary hoses and clamps, though I did upgrade the hose for a tighter seal (which is pretty common with these kits). Once in place, it fit neatly in the engine bay and hasn’t leaked or loosened after a few weeks of daily driving. After a few hundred miles, I checked the can and it was already collecting a noticeable amount of oil vapor — exactly what it’s supposed to do. This tells me it’s doing its job and keeping that gunk out of my intake system.

Super easy to install. Instructions aren't worth looking at. Use the supplied o rings on fittings of your choice. Its not high quality so I wouldnt run it on anything nice but a beater with worn out rings it cleans up the PCV system before going back Into the TBI pretty well for my old junker. I would have given it 5 stars but kt only came with 4 ft of line but was advertised at 6 foot.

Great product, it will really help the longevity of my truck's engine. I just bought my truck and want to keep it in as good of condition as possible. Catching all of the blow by in the catch can, versus allowing it to go directly back into my engine will be a huge help! Evil Energy did a great job on this catch can and the pricing is very reasonable. The only issue I had with the installation was they only provide 2 hose clamps, when I really wanted 4. The factory uses hard plastic tubing to connect the Pollution Control Valve (PCV) to the inlet on the intake manifold. They obviously heat mold this tube on and fits extremely tightly onto the barbs of the fittings, as such, there are no hose clamps on these fittings. However, I never trust that an after market rubber hose pressed onto the fittings may not come loose and want the added security of hose clamps. Further, Evil Energy provided 3/8" hose but my vehicle required use of the 1/2" fittings they provided - but they did not provide any 1/2" hosing. This meant a trip to the automotive store for supplies - after I had my truck apart. Lesson learned - always make sure you have all parts and supplies needed before beginning the project. I still rate the product highly, I just think Evil Energy needed to include those extra items and just charge an extra few dollars to offset the cost. It would have saved me time, hassle and an extra $15 in parts at the automotive store. Every vehicle with a turbo definitely should have a catch can. Ordinary engines will also benefit from one too.

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Installed this on my T5 Volvo and it's very well made, would buy another defiantly

It looks good. Made of good quality stuff

As I said in a previous review. The catch can is really well made. But, for my 2015 Ram 5.7, the fittings and hose are the wrong size. I had to spend $40 Canadian for the right ones. I emailed the company for the sizes, they never got back to me.