Give your Scion xB the aggressive growl you’ve been hunting for with the Magnaflow Exhaust System. Magnaflow exhaust has been proven to increase horsepower by 3 to 23 horsepower and torque by 6 to 28 lbs. depending on the vehicle. Whatever your actual gain, you can be sure that your upgrade will instantly give you noticeable results. For maximum efficiency, Magnaflow systems reduce engine heat and backpressure to improve exhaust scavenging from the combustion engine. All tubing is mandrel bent to ensure free flow of exhaust throughout the entire system. Plus, you also get a quick warm up to achieve optimal muffler temperature thanks to the steel mesh core. For that distinctive clean low growl, the dense acoustical-absorbing materials successfully filter out vibrations and harsh noises. This also means that this exhaust system is completely CARB certified and legal in all 50 states. And for incredible durability, you get half inch overlap welds at every joint with a continuous mig weld to top it all off. Backed by a lifetime warranty, you can be sure that your Scion xB will deliver maximum results for the life of your vehicle. Customers should certainly get first-rate assistance when they buy dependable car parts. That's why we've created a 24/7/365 sales assistance call center to assist you with your requests. If you spot a lower price elsewhere, tell us - we will beat any price advertised elsewhere.