![]() ![]() Those, in turn, create little eddies and vortexes that impede the proper flow of exhaust. Other bending methods create similar wrinkles and pockets. ![]() Now bend that straw smack in the middle, and watch as your perfect cylinder gets pinched and extended into two sharp corners. That’s what gases and liquids crave in order to flow smoothly. Grab an extra straw, and observe that perfect cylindrical shape. You can see the difference for yourself during your next visit to a fast food restaurant. That’s why the best exhaust piping is mandrel bent. Any bad bend will dam up that air flow, and that will damn any effort you put into upgrading your vehicle. Proper air flow is critical for a performance exhaust system - the spent air needs to be expunged as quickly as possible to make room for fresh air. Wideband / Oxygen Sensors & Accessories.Mandrel Bent Pipes & Fabrication Components.
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