4 Inch K&N Air Filter This is a "K&N 4" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6 MSRP: Was: Now: $79.00 Add to Cart
3" Inch K&N Air Filter This is a "K&N 3" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6 MSRP: Was: Now: $79.00 Add to Cart
3.5" Inch K&N Air Filter This is a "K&N 3.5" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6 MSRP: Was: Now: $79.00 Add to Cart
