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Discussion Starter · #1 ·
As I mentioned in another post, my son-in-law had one of his catalytic converters stolen last week. While looking for possible deterrents I am wondering if there are any skid plates that cover the cats? Does a typical transmission skid plate cover enough of the exhaust system to slow someone down? I can't tell from the pictures but it looks too short.
 

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I have a full set of Shrockworks skids, this photo is taken from their site.



Not sure that having them on there would really offer much additional protection, maybe the transmission makes it a little less convenient, but the decent ground clearance and easy access to the underside of the truck probably makes an Xterra a more appealing target than the average car.

You don't want something that bottles in the heat, so I don't think you'll find most skid plates to offer a lot of coverage over the cat or exhaust.

I'm sure one could put some cross bars in place that would make things less convenient, but if you've got a tweaker with a battery operated sawzall under there they'll probably find a way.
 

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I have a full set of Shrockworks skids, this photo is taken from their site.



Not sure that having them on there would really offer much additional protection, maybe the transmission makes it a little less convenient, but the decent ground clearance and easy access to the underside of the truck probably makes an Xterra a more appealing target than the average car.

You don't want something that bottles in the heat, so I don't think you'll find most skid plates to offer a lot of coverage over the cat or exhaust.

I'm sure one could put some cross bars in place that would make things less convenient, but if you've got a tweaker with a battery operated sawzall under there they'll probably find a way.
True but that is the secondary cats that aren't monitored. Looks like the primaries aren't visible. Maybe out of sight, out of mind?
 

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@Bkazm did the thieves get his primary cats, or just secondary?

True but that is the secondary cats that aren't monitored. Looks like the primaries aren't visible. Maybe out of sight, out of mind?
I'm assuming that's the ones a thief would grab because they want to get out of there fast. Are they going after the primaries on Xterras without skid plates? That'd be a lot more work I would think.

Apparently there are purpose made plates for cat security.


It's sad that that's even a thing.
 

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True but that is the secondary cats that aren't monitored. Looks like the primaries aren't visible. Maybe out of sight, out of mind?
How does getting your secondary cats stolen make anything better? Nobody cares that they're not monitored when you try to go to work in the morning to find they're gone.
 

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If this sort of theft is common in your area , speak with your insurance agent and confirm repairs are covered under your insurance.
 

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Discussion Starter · #8 ·
I have a full set of Shrockworks skids, this photo is taken from their site.
Motor vehicle Bumper Automotive exterior Automotive tire Gas

It looks like the transmission skid would have helped in our case. The scumbag's cuts are shown in red. So the engine-side cuts would be more difficult with that piece of metal in the way. They could still cut through the skid (I think the shrock is 3/16") or remove it if they have the right tools. But it's probably not a 3 minute job anymore and that might encourage them to move on.

BTW, it will cost $500 to replace the cat. Seems a bit high since I can buy one from autozone for $200. But I don't have a lift and I'm not a welder. So if a $250 skid helps deter thefts I'm onboard. Plus it's an excuse to buy more skids. I don't know, what do you all think?
 

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It might deter a future thief, so for that purpose it's probably a good choice.

FWIW for skid plate functionality (not theft deterrence) IMO the transmission skid is pretty far down the list of importance. Radiator and engine would be much higher because they are protecting more vulnerable bits, whereas the transmission one covers an area that's fairly well tucked up.
 

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^I'd agree with that. In fact, I've bought my skids one at a time over the years.... the trans skid is currently the only one i don't have because the trans is tucked up nicely.

How does getting your secondary cats stolen make anything better? Nobody cares that they're not monitored when you try to go to work in the morning to find they're gone.
In some areas, you could replace with a straight piece of pipe, or a cheap aftermarket cat... and the truck definitely won't know a difference. You can drive the loud truck without issue. I'd personally be at a muffler shop having a straight pipe welded in, or maybe order a high flow cat online for ~$130 and have a local shop weld it in.... rather than waiting on a dealer's backorder for the primaries.
If primaries are stolen, there's more concern over getting everything fixed RIGHT and quickly because it won't run right without them.
Not sure, but I wonder if some of the aftermarket exhaust systems replace everything after the primaries... making it a bolt on repair.
 

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You wouldn't want to cover those with skids - it could possibly get too hot in there and start a fire or something?

The chain idea is probably the best. Either a couple criss crossed over the area or something wrapped around - heavy truck chain - its high tensile strength, likely impossible to cut with a sawzall without securing it somehow, and leaves everything to breath. Not saying its perfect, but you just need to deter the would be thief to easier pickings.
 

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Has anyone scraped a catalytic converter when crawling? Or is favoring the other side common practice?

any cat skid plates out there for other cars?

slits or holes would weaken it greatly, but it would be some protection even if not much.
bars instead of plate would breathe a lot better
 

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Has anyone scraped a catalytic converter when crawling? Or is favoring the other side common practice?

any cat skid plates out there for other cars?

slits or holes would weaken it greatly, but it would be some protection even if not much.
bars instead of plate would breathe a lot better
I always favor the other side. Never scraped one :D

There's cat specific skid plates being made (See post #5 above). Though they are really using the term "skid" loosely. It has nothing to do with skid usage, its just blocking them from view/easy access.

Many skid plates have holes or slits to let water/dirt/grim drain, or to access a drain plug on trans/engine/etc. Otherwise, you end up with a pan that holds a ton of junk. Or at the very least, condensation/water that'll rust them out.
 

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Exhaust is pretty tucked. If you have a pointy rock going that far up into your truck you are likely in an area you probably shouldn't be. I'd be concerned about heat since the cats get especially warm in an exhaust.

To be fair, I did kill my exhaust once as I winched forward while my muffler was caught up against a rock. It tore off my exhaust from the downpipe. However, this was the muffler, which hangs a bit lower than the cats, & I definitely shouldn't have been there alone lol o_O

I'm torn on the solution. You could prepare for it, but did you just get really unlucky? Is it going to happen again? You could potentially spend a fair amount of money trying to prevent it. Idk. Personally I would probably chalk it up to "that sucks" and hope it was just a one time thing
 

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Discussion Starter · #15 ·
I'm torn on the solution. You could prepare for it, but did you just get really unlucky? Is it going to happen again? You could potentially spend a fair amount of money trying to prevent it. Idk. Personally I would probably chalk it up to "that sucks" and hope it was just a one time thing
I think $250's not bad for some peace of mind, but you're right - it was probably bad luck combined with an unwise parking spot. Now we go down the upgrade rabbit hole... "since we're shipping from shrockworks, what about an engine skid? Oh and we should replace the Pro4X gas tank skid with a real one...." and that $250 turns into $800 real fast.
 

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Don’t forget the shipping cost.
once you start looking under the Xterra, you will want to protect all.
Only Offroad/Pro4X came with skids, is that right?

Tire Wheel Vehicle Car Automotive tire


Tire Wheel Car Vehicle Automotive tire

I bent my fuel tank skid, multiple times.
Engine oil skid is recommended by others.
Transmission never had one from factory.
 

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It looks like the transmission skid would have helped in our case. The scumbag's cuts are shown in red. So the engine-side cuts would be more difficult with that piece of metal in the way. They could still cut through the skid (I think the shrock is 3/16") or remove it if they have the right tools. But it's probably not a 3 minute job anymore and that might encourage them to move on.

BTW, it will cost $500 to replace the cat. Seems a bit high since I can buy one from autozone for $200. But I don't have a lift and I'm not a welder. So if a $250 skid helps deter thefts I'm onboard. Plus it's an excuse to buy more skids. I don't know, what do you all think?
In CO, we're now a CARB state. CARB started in CA, but last year or early this year, CO & NY signed on with it. Essentially, it allows the states to make rules exceeding EPA mandates. In CO, you need to have a certification in order to even order one and install. A buddy of mine was having trouble with his cat. It's a 2010 Nissan Titan. He took it into a shop to see how much it would take to fix. They quoted him $4500-5000 to fix. You can buy a whole used truck to use for spare parts for that much. He ended up mailing a new cat to his mom in Louisiana and she sent it to CO. Shops in nearby states are getting the business. Good move on looking out for the environment, Governor! But you're losing out on revenue!
There's a lot more thefts of cats lately. I'd heard of it before finding out about the CARB thing. Thieves and shops are probably benefitting off of the practice of cutting off cats.
One of the kids who works where I work had his cat cut off of his Prius in the parking lot. That has me shopping for plates to protect my cats. If it makes at least one cut difficult, I'm all for spending the money.
 

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Good move on looking out for the environment, Governor! But you're losing out on revenue!
The environment is significantly more important to everyone than revenue. That's actually what got us in this climate problem in the first place. Companies wanting to make as much money as possible at the expense of our only home. More people need to put the environment over revenue. You should be able to make money as a business in a way that doesn't harm the environment. And if you can't, you shouldn't be in business.
 
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