Not sure what size exhaust your vehicle needs? Learn how to choose the right diameter and what can go wrong if it’s too big ...

It's been several months since our spy photographers caught a prototype Porsche 911 Turbo out testing ... and you'll notice the updated exhaust pipe design. Instead of the oval-shaped exhaust ...

The sooner you can get that turbo to spin ... The Lindsey Racing exhaust looked nothing short of a full racing system basically a 3-in. pipe from the downpipe back, with a free-flow muffler ...

Have you ever wondered if a full turbo-back exhaust is really better than a catalytic ... which is integrated into an off-road test pipe. On the dyno we found an additional 6 hp and 9 lb-ft ...

As of this writing, AWE hasn't released pricing information for the turbo-only exhaust. Despite nearing the end of its product life cycle, the Outback sold 168,771 units in the United States of ...