Systems fit either `63-`65 or `67-`70 Buick Rivieras. System NOT available for 1966, unless with 400-430-455 transplant.

Notes: 1. Systems are designed to connect to original exhaust manifolds or TA Shorty Headers. TA 2004DApplications may require an additional down pipe, please inquire when ordering. 2. Systems require a CENTER Inlet and SIDE Outlet Muffler. Walker Dynomax and Race Magnum Mufflers can be installed in either direction, Flowmaster mufflers have specific inlet and outlet configurations. 3. Systems do not fit 1966 models with 401-425 engines, TA2004C & TA 2004D will fit 1966 models with 400-430-455 transplants.