Dear Tom and Ray: There once was a black plastic thingamajig hanging under the front end of our Mercury Grand Marquis, right behind the front bumper. We could almost always hear it scrape against ...

On Wednesday evening, NASCAR sent out a rule change bulletin heading into this weekend's NASCAR Cup Series Coke Zero Sugar 400 at Daytona International Speedway. The sanctioning body will be mandating ...

NASCAR will mandate a new right side rear-window air deflector beginning with Saturday’s Coke Zero Sugar 400 at Daytona International Speedway (7:30 p.m. ET, NBC, Peacock, NBC Sports App, MRN Radio, ...

General Motors was recently granted a patent associated with a ride-height dependent control system for air deflectors, along with methods for manipulating the manner in which air travels through, ...

Front hood air deflectors and those upper shields for the side windows are extremely popular add-on accessories, with just about every carmaker offering them through their dealership parts departments ...