too many posts to respond to... LOL... first off, 4x4hunters...
While PIAA's lifetime warranty doesn't cover damage done by such things as running a rock into it, you also don't have to worry about breaking the light due to a rock hitting the lens, because if you can break a PIAA with a rock being flung from your tires, then your a much better man then I
. When I was installing the PIAA's on my roof I accidentally dropped one on the cement driveway below... figure at least a 7 foot drop... landed lens side down of course, got one scratch adn one small little chip in the lens, that's it... plus I've runt hose lights directly into tree branches (not on purpose of course, things just happen) without covers on and the lenses haven't cracked at all, or chipped, or broken... the ones on my winch mount have been drug in sand, submerged in mud, banged against rocks, and they keep on ticking
The only time I've ever heard of a PIAA breaking due to physical damage was when MikeX rolled his Explorer and it broke the lights on his roof... you can't expect a light to support a 4000-6000 lb. vehicle for a long amount of time though
. There was a post a whiel back about someone who has PIAA's in there car, the car rear-ended another car, completely destroyed the front end, and the PIAA's came out just fine, they were the only part that didn't have to be replaced in the front end. That to me tells me you will have a very hard time breaking a lens, no matter what you do
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Now on to the question about warn lights... there was some other post regarding the warn lights, I responded with what I thought of them (much like before, I try not judge without trying, and I was neither thouroughly impressed by the lights nor disappointed with them, they look like they could take a lot of abuse and keep on going. The only thing I didn't like about them was their mounting, but not all warn lights are the same I'm sure so the mounting might vary from light to light. Mounting requried four holes be drilled for screws, for the base, then the light was placed in teh based and tightened down using one horizontal bolt. Once installed it'd be good but installing them (especially in a bumper or some other extremely hard metal) would be a pain int he butt. Also JayR - I know of a few people that have installed PIAA lights into the stock bumper, no sweat... now you couldn't fit PIAA 80 Racing's in there (those are the nearly 9 inch tall, about 6 inch deep lights), but most of their other lights shouldn't have a problem with...