CUSCO 6A1 290 W9 Roll cage SAFETY 21 (9 point, 2 passenger, through dash) for SUBARU WRX STI (VAB) ymm_65 Exhaust exits through dual 4"

Exhaust exits through dual 4" round carbon fiber tips with black anodized centers on each muffler

By increasing the diameter of the piston and improving the valve

4L 4-cylinder Toyota engine provides a 200+ cfm increase in flow and significant weight savings

The exhaust system offers a moderate and balanced Touring level sound that provides a mild sonic improvement without excessive noise

25" diameter into dual 2

CUSCO 6A1 290 W9 Roll cage SAFETY 21 (9 point, 2 passenger, through dash) for SUBARU WRX STI (VAB) ymm_65 Exhaust exits through dual 4"Flexible configurations from simple 4 point enthusiast spec, to the most elaborate and extreme FIA regulation homologation grade systems. Safety 21 cages provide Sunday racers to top professionals the protection needed for racing. Made from cold drawn seamless carbon steel Variations of types that correspond widely to JAF competition regulations Pursuing weight reduction from the entire roll cage to joints High rigidity with bending processing that