Dual and Single Stainless Cat Back Exhaust Systems for the 1986/87 Buick Grand National V6 Vehicles. Exhaust systems may fit other applications with trimming or adjustment.
TA Performance '86-'87 TURBO V6 3" DOWNPIPE ONLY TA Performance offers mandrel bent down pipes for specific Buick applications. Most of our exhaust systems (and other similar systems) are designed...
This is a GN1Performance "3 INCH INTERNAL WASTEGATE DOWN PIPE " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This 3" Inch Internal Wastegate Downpipe is designed to work with...
This is a GN1Performance "3 INCH FLAT FLANGE DOWN PIPE WITH " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This 3" Inch Down Pipe with a Flat Flange...
TA Performance '86-'87 TURBO V6 STAINLESS STEEL 3.5" DOWNPIPE Complete Kit! Downpipe and Y-Pipe, Stainless Steel. TA Performance offers mandrel bent down pipes for specific Buick applications. Most of our...
TA Performance Turbo Buick Y-Pipe for 3" DownpipeY-Test Pipe Assembly for connecting Turbo V6 downpipe to exhaust system. Features a removable plate to bypass the exhaust system. Includes hardware.
This is a GN1Performance 3" Exhaust Test Pipe for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item is constructed...
This is an all new GN1Performance 3.5" Exhaust Cut Out for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item...
This is a GN1Performance 3" Exhaust Test Pipe for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item is constructed...