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Old 11-06-2012, 03:19 PM   #1
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Michigan Law on Fender Width

Anyone know the law when it comes to fender width? Can we run the narrow aftermarket ones like the ACE on road in Michigan or do they need to be factory width?

Eric

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Old 11-10-2012, 09:39 PM   #2
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I am pretty sure that if your wheels stick outside of the fenders it is not legal. However, idk whether or not you will get stopped for it.

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Old 11-30-2012, 04:46 PM   #3
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Right now I am running 33x12.50's on some mickey classic 2's and they stick out past my stock tj sport flares. I've never been pulled over for them, I've even driven right past sitting cops at stop signs and nothing. (If I had to guess, mine stick out probably a good 2-3 inches)
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Old 11-30-2012, 09:25 PM   #4
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Here is a link to the Michigan Compiled Laws (MCL). # 257 deals with vehicles. I could not find any reference to fender requirements, but, I am not a lawyer. I got this link by asking my local city police what the law is on driving lights and they referred my to the link. I suggest asking your local police dept if they can tell you what the law is.

Here is the link: Michigan Legislature - Home
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Old 12-01-2012, 10:13 AM   #5
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Driving lights are not regulated by state laws. The are regulated by FMVSS108. FMVSS108 references many SAE regulation (but not always the latest spec). So, the only lighting requirement being modified are the side marker and side reflex lamps. These lamps do not have requirements in regard to the width of the vehicle. However, the do have to have a clear line-of-sight 45* towards the rear of the vehicle. Although there wont be any cops that are savvy enough to know, you would be able to fight it if you were armed with the lighting regulations. I happen to know a lighting Engineer that could help you produce the regulations for a court trial . There is also a height requirement but it only for a minimum height. So, it would only be an issue if you drop your jeep.
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Old 12-01-2012, 11:22 AM   #6
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Quote:
Originally Posted by J33P4X4
Driving lights are not regulated by state laws. The are regulated by FMVSS108. FMVSS108 references many SAE regulation (but not always the latest spec). So, the only lighting requirement being modified are the side marker and side reflex lamps. These lamps do not have requirements in regard to the width of the vehicle. However, the do have to have a clear line-of-sight 45* towards the rear of the vehicle. Although there wont be any cops that are savvy enough to know, you would be able to fight it if you were armed with the lighting regulations. I happen to know a lighting Engineer that could help you produce the regulations for a court trial . There is also a height requirement but it only for a minimum height. So, it would only be an issue if you drop your jeep.
I agree, but MI regulates how many lights can be on at one time.
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Old 12-01-2012, 12:35 PM   #7
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Maybe, but what does that have to do with fenders? I only made those comments because the side marker and side reflex functions are in the stock fenders.
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Old 12-01-2012, 08:21 PM   #8
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Quote:
Originally Posted by J33P4X4
Maybe, but what does that have to do with fenders? I only made those comments because the side marker and side reflex functions are in the stock fenders.
Nothing, as I said, I couldn't find anything about fenders & recommended he contact his local police dept for help. Only provided the mcl link.
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Old 12-01-2012, 10:09 PM   #9
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Right, well im no fender engineer but ill ask around at work.
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Old 12-02-2012, 09:58 AM   #10
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As long as you have the factory flares or wider on then you wont get hassled for your tire width, now if you take them off and run without any, then expect to get hassled. I run 33/12.5/15 and they stick out past the TJ flares on mine and have never been hassled.
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Old 12-03-2012, 11:01 AM   #11
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Quote:
Originally Posted by NewYJOwner
As long as you have the factory flares or wider on then you wont get hassled for your tire width, now if you take them off and run without any, then expect to get hassled. I run 33/12.5/15 and they stick out past the TJ flares on mine and have never been hassled.
^x2
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Old 12-08-2012, 10:43 PM   #12
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I just spent the last couple days checking out the MCL and Act 300 of 1949. I have also talked to 2 MSP officers. I can not find anything regarding fender coverage. Which is good, because I just got 35x12.50s on 2.5" backspaced steelies. Also running tube fenders with 3" flares. Hope I don't get harassed too much.
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Old 12-09-2012, 11:17 AM   #13
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Quote:
Originally Posted by YJ fanatic
I just spent the last couple days checking out the MCL and Act 300 of 1949. I have also talked to 2 MSP officers. I can not find anything regarding fender coverage. Which is good, because I just got 35x12.50s on 2.5" backspaced steelies. Also running tube fenders with 3" flares. Hope I don't get harassed too much.
You should be OK in MI. I see lots of Wranglers with tires outside the fenders. If you do have problems, let us know what happened.
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Old 12-09-2012, 11:31 AM   #14
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Will do. I've been running around with my 10.50s which stick out about 3", and never had any trouble. Been pulled over by the MSP for a tail light out, but never said anything about my fenders. But my 35s are gonna stick out about another 2". We'll see what happens.
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Old 01-02-2013, 06:11 AM   #15
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My GFs brother is a Genesee county sheriff. I asked him. There is no clear law about fenders her in Michigan. I've ran with absolutely no fenders for a few years now. Mine stick almost completely out of the well in the rear and with no fenders up front the y stick out completely. I've never been pulled over or harassed.
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Old 01-02-2013, 07:42 PM   #16
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Quote:
Originally Posted by Rebel_Ryders_Offroad
My GFs brother is a Genesee county sheriff. I asked him. There is no clear law about fenders her in Michigan. I've ran with absolutely no fenders for a few years now. Mine stick almost completely out of the well in the rear and with no fenders up front the y stick out completely. I've never been pulled over or harassed.
That's good to know! Thanks
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Old 01-11-2013, 07:30 PM   #17
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Question

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Originally Posted by stans1stjeep View Post
I agree, but MI regulates how many lights can be on at one time.
Does that also include markers & rear facing lights?

I love lots of lights, kinda like those semi trucks use to have. My little 2WD pickup has quite a few marker and especially rear brake lighting, all LED's.

Been thinking about replacing the stock rear tail lights on my 98 Wrangler Sport 4.0 with Grote brand Hi Count LED Box Lights (#G5092-5 & #G5082-5). Maybe even some thin LED markers on the side of the hardtop. Red of course.
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Old 01-13-2013, 11:53 PM   #18
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No just headlights. You can have all the markers you want. Make sure they are amber though. Red is for tail lights.
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Old 01-15-2013, 07:24 PM   #19
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Originally Posted by Rebel_Ryders_Offroad View Post
No just headlights. You can have all the markers you want. Make sure they are amber though. Red is for tail lights.
On the sides of the vehicle, red is on the back side and amber is towards the front.
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Old 01-15-2013, 08:32 PM   #20
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Ahhhhhh well I hate lights except headlights and off road lights lmao
I remove all markers lol
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Old 01-23-2013, 03:50 PM   #21
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Originally Posted by YJ fanatic View Post
I just spent the last couple days checking out the MCL and Act 300 of 1949. I have also talked to 2 MSP officers. I can not find anything regarding fender coverage. Which is good, because I just got 35x12.50s on 2.5" backspaced steelies. Also running tube fenders with 3" flares. Hope I don't get harassed too much.
I have been running 35/12.50/15 for the last three years ,no getting pulled over and a thumbs up from county mounty at a gas station!
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Old 02-14-2013, 12:50 AM   #22
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been running without flares or a passenger side marker light and i havent been even pulled over...I do live in flint/genesse county though. I think they have bigger fish to fry.
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Old 02-14-2013, 07:20 PM   #23
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Does anybody have experience running full width axles on their wrangler? Not any time soon, but in the future I will be dropping in some dana 60's or something. I'm just wondering if at that point my jeep will no longer be a "street legal".
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Old 02-15-2013, 02:54 AM   #24
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Originally Posted by Cam0143
Does anybody have experience running full width axles on their wrangler? Not any time soon, but in the future I will be dropping in some dana 60's or something. I'm just wondering if at that point my jeep will no longer be a "street legal".
You can run full widths. Keep your back spacing on your rims to a minimum and cover most of the tire with fender flairs. My buddy runs full widths with no issues from cops
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Old 06-30-2013, 10:29 PM   #25
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Just an update, I've been running this setup for a few months now. 2.5" backspacing with 35x12.50s. I'm about 76" wide, which is similar to the width of full width axles with normal backspacing. The tires stick out 6" from the flares. No problems yet, just a few compliments from the police.

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Old 07-01-2013, 09:16 PM   #26
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I had a tire blow out a couple months ago and havnt ran rear flares since. I haven't had any problems, I even drove across state to silverlake without problems. I'm planning on running corner guards and tube fenders with no flare soon, that will be the true test I guess
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Old 07-04-2013, 09:48 AM   #27
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Been running this for about 4 months now. Many cops have seen it and didn't even care....

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Old 09-26-2013, 02:32 PM   #28
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Quote:
Originally Posted by Elarson View Post
Anyone know the law when it comes to fender width? Can we run the narrow aftermarket ones like the ACE on road in Michigan or do they need to be factory width?

Eric
For no special reason, I'm gonna chime in to share a little bit about the fender laws here in CA. A CHP officer told me the tires can not stick out past the fenders at all. He went on to say the only ticket he ever wrote for such a thing, was to some jag off that thought he was above the law and all of the cops were working for him. He was wrong. My tires stick out at least 4" beyond the stock fenders and I have never ever been pulled over for them. Then again, there are a small ton of wheelers around our area (a lot of them are cops)
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Old 11-03-2013, 02:16 PM   #29
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no issues here

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