HKS Hi-Power 409 SW20 3S-GTE Engine Tuning requiring some effort during installation

requiring some effort during installation

Street Coupe 1979 - 1980 GMC C1500 Suburban High Sierra

Auto trans compatible - Includes transmission cooler lines for models equipped with automatic

Drop-in replacement with no modification required to your current setup

Uses factory mounting hardware and seals

HKS Hi-Power 409 SW20 3S-GTE Engine Tuning requiring some effort during installationThe real street sports muffler Hi Power 409 mufflers offer a cost effective solution for your sports muffler needs. The rear section is made from SUS304 grade stainless steel for a high lustre finish and the piping section which is not visible once fitted is made from coated SUH 409, reducing the cost. SUH409 has other benefits such as being more resistant to thermal expansion and improved acoustic properties. Efficient exhaust gas flow by the pipe