- NOS After Market Catalytic Converters- 4A - 3" I.D. x 16 1/4" L - No Hole - $90.00- 4B - 2 1/4" x 13 3/4" L - No Hole - $85.003" & 2 1/4" Catalytic ConverterSKU: S2-K-4AB$85.00PriceQuantity*Add to Cart