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Product Information

1986-1987 Buick Turbo Regal - AFTERMARKET EPA CERTIFIED LOW RESTRICTIVE STOCK CATALYTIC CONVERTER Many owners may want to replace the original pancake-style restrictive catalytic converter. This is a unique catalytic converter with the proper custom-made 4-bolt flange at the back end. The overall length is 18 inches. This is a direct bolt in replacement and similar to the one we offered over 20 years ago. This only works with the stock 2-1/2 inch diameter downpipe. It will bolt up to the stock exhaust or to the Pypes Dual Exhaust system, Part #6996, we sell. Original catalytic converters can easily become clogged over a long period of time. They are also a lot more restrictive due to its pancake style. Some states have very strict laws regarding emissions equipment, even on older cars. This catalytic converter also can lower any drone sound the current mufflers may make. We offer this low restrictive catalytic converter, which weighs less than 8 pounds and is EPA certified! It is not a universal converter, but one with the correct 4-bolt flange on the one end that will directly bolt into your Turbo Regal. With the amount of heat turbo cars develop, the converter can begin to break down internally and clog the exhaust system. The EPA rules dictate that replacement catalytic converters must go in the same location as the original converter. This unit bolts into that same area and has the same mounting flange. This catalytic converter comes complete with the 4-bolt exhaust flange. This 4-bolt flange is very unique to these cars as no other G-body application has this style flange. We also offer the 4-bolt flange, Part #7947, by itself for those of you that may want to get a test pipe made for off road use only. NOTE - You may also be interested in these related parts - #7423 4-Bolt Flange Gasket for the Catalytic Converter to the Y Pipe, #6996 PYPES Performance Dual Exhaust System, and #7947 Reproduction Special 4-Bolt Exhaust Flange. Another excellent replacement for any exhaust restoration. 6567 - 1986-1987 Buick Turbo Regal - Aftermarket EPA Certified Low Restrictive Stock Catalytic Converter