When you want to get the best performance possible from your car or truck, you have to look beyond the engine alone. Sure, tinkering with the engine might be fun - but it's only when you get into the nitty gritty of the supporting systems that you'll really start to see the kind of performance gains you want. With a Dynomax Exhaust System, you'll be getting incredible performance - guaranteed. For years, Dynomax has been building a strong reputation as a trusted name in the design and manufacture of exhaust system components. With great engineering and full computer and dyno-testing performed on all parts, you can feel confident knowing that you're getting the best in the business. With a Dynomax Exhaust System, you'll get the components from top to bottom that will create incredible exhaust (and therefore engine) performance. Plus, Dynomax offers a number of great options: you can choose, for example between aluminum (a price-conscious but quality option) and stainless steel (which provides top levels of durability and strength). Either way, you're getting the benefits of mandrel-bent tubing for great air flow and precision-machined flanges for tight seals. Whichever design you choose, your Dynomax Exhaust System is sure to go the distance for you and your vehicle. We know you deserve courteous customer assistance when ordering reliable auto parts from us. So of course we've built a 24/7 technical help call center to assist you with your questions. Everyone hates paying for shipping, so we provide completely free shipping on every order $50 or higher. If you spot a lower price elsewhere, call us - we always beat any legitimate auto part price.