This header is designed for anyone that wants a Great performing 4-1 header and great ground clearance. (4-1 Design) 4 tube merge into a real Merge collector for best power and right before the turn down to give the best ground clearance. 2.5-inch flange for free flow exhaust. High Flow REAL merge collector.4 to 1 True merge collector equal length. MUST USE HALF SIZE RADIATOR. DUAL 02 SENSOR BUNG ON HEADER ONE FOR O2 SENSOR THE OTHER ONE CAN BE USED FOR WIDEBAND SENSOR. Fits: CARS BELOW WITH B SERIES SWAP.
With any B Series engine swapped into it. (aftermarket traction bar is a must). If you have an EF or a DA, you must trim the front cross member for clearance OR use aftermarket traction bars. Half size radiator must be used will not clear full-size radiator.Must either use a 2.5-inch test pipe for install or have a muffler shop weld it to the exhaust of your choice. Will not clear AC condenser if you want to keep ac you must run custom lines with a custom condenser. OFF-ROAD USE ONLY NOT SMOG LEGAL CAN NOT BE USED ON EMISSION CONTROLLED VEHICLE. The item "1320 Performance 4-1 big tube race header only GSR b16 b18 si B18C integra JDM" is in sale since Thursday, June 21, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "discountpartstore" and is located in Garden Grove, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Philippines, Ukraine, Cayman islands, Russian federation.