What are EGT fittings? Our custom made, top quality EGT Sensor Bung allows exhaust gas temperature sensor to be attached to the exhaust manifold or downpipe. It is molded from stainless steel which can withstand high exhaust temperature and resistant to corrosion. Many of our customers purchase these along with many other custom exhaust components such as header collectors and more. Simply select from the drop down to the left or if you have some questions that require a professional conversation, simply pick up the phone and give our expert sales team a call today and we can help take your order right there over the phone.