Drag Racing Catalytic Converter and Emissions

Estimate horsepower, trap speed, and ET with our drag performance calculator. Use it as a 1/4 mile time estimator or 1/8 mile ET to mph calculator.

Loud when you want it, quiet when you don't! Learn how exhaust cutouts work, manual vs electric models, and which is best for your build.

Learn why Drag and Drive is one of the fastest growing drag racing events in the country!

Gear up for your first drag race with this beginner’s guide to NHRA rules and required safety equipment.

Discover the best wheels for drag racing; the lightest options, beadlocks, and SFI certified wheels and learn how beadlock wheels work

Gassers were those wild drag cars from the 60's that featured outrageously tall stances, big unruly powerplants, and huge slicks to propel them down the track. But just how did these insane creations come to be, and where did they go?

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

The '21 season marks the 70th year of NHRA drag racing. Here's look at a few great drag cars from that 70 year history from the Museum of American Speed.

Race car ballast can have a significant impact on your car's performance and handling. Here are some notes and tips to help you to correctly place ballast in your car.