“We’re very proud of the way that the glass industry has come together to face the challenge of energy efficiency and decarbonisation - which will continue to define all manufacturing and markets for the coming decades. Installing Bellowed Up-pipes on the diesel truck is the perfect treatment for the much too common diesel exhaust leak. The stock Ford up-pipes are made employing a crush donut gasket to seal the up-pipes to the y-collector. Over time, expansion and contraction make the donuts to leak, hurting engine performance and mileage. Flickr: Jason Bache: