When you are talking bolt-on performance parts, an increase of 20 lb-ft of torque is pretty good. Not until you slap on a forced induction or a nitrous kit will you see gains above 30 out of one ...

Back in the '90s, we did a dragstrip comparison test between 2 12-inch compression-bent exhaust, and a 3-inch mandrel-bent TTI system on a '67 Coronet R/T with a 440. That swap helped the 440, and the ...

that squash the pipe and can only fabricate exhaust from 2 -inch diameter tubing, Mopar owners are fortunate to have one of the best resources available for aftermarket exhaust, Tube Technologies, Inc ...