[wtallis]

Chill. None of that rant applies, because product liability doesn't extend to aftermarket modifications made by the user.

[lawstudent2]

Yes. It does. It absolutely does.

http://www.productliabilityprevention.com/images/5-PostSaleD...

http://www.cassiday.com/maa-dri-productliability/

If a post-sale modification of a product is foreseeable, and the manufacturer has not properly warned the user of its risks, then the manufacturer can be liable. It is really that simple.