This is The Exhaust in-line intercooler from Hotracing
The ultimate Exhaust in-line intercooler
EXTRemely fine Fin for More Cooling area and Light weight
CNC of 6061-T6 aluminum Red-anodized, with an in-line
design that makes it ideal for radio controlled cars, trucks,
boats, airplanes and helicopters.
One Exhaust in-line intercooler
Bleeding the with Shocks the shaft all the way in.
Installing on vehicle