HKS Hi-Power Cat-Back Exhaust Cooling Billet is the billet end

Billet is the billet end tanks - Made in the USA

100% MIG-welded for strength and durability

Proven to make more power and less noise for a wide variety of K20 and K24 engines

5-year of warranty from the date of purchase

Mating weld flanges are 304L

HKS Hi-Power Cat-Back Exhaust Cooling Billet is the billet endFITS: 10th Gen Honda Civic Si This "Hi Power" exhaust system from HKS was designed with both style and performance in mind. Features SUS304 stainless steel construction, a piping diameter of 65mm, and a tip diameter of 97mm. This exhaust system is guaranteed to increase exhaust flow and power over stock, as well as offer an improved exhaust tone. Features SUS304 Stainless Steel Construction Piping Diameter of 65mm Tip Diameter of 97mm Signature HKS Hi