The 660GT was originally developed 5 years ago, and has undergone refinement in the latest version. The HyperFlow 660GT set the benchmark that many suppliers followed over the years. Suitable for fitment to the MY01-05 and MY06-07 WRX / Sti, this Intercooler system will support power levels in excess of 350kw, and is a fully complete kit.

The HyperFlow 660 GT1 kit contains…
1.660GT Intercooler with polished end tanks,       
2. All pipe work, in either Black or Red powder coat
3. SAMCO 4 ply Silicon joiners, clamps,
4. Radiator overflow bottle and loose parts.

The HyperFlow 660GT2 Kit has been the most popular and is a fully complete system. Containing as above plus the following
1. Cold Air Intake with fully machined air flow meter body
2. Billet Blow off valve bracket
3. Structural front cross member
4. Standard with all polished pipe work – option for Black or red powder coated finish