In Stock


( £75.00 EXC VAT )

Stub stack and air filter kit to suit the single 1.75" HIF44 SU. These systems have been extensively tested on our 110 Supaflow flow bench to optimise the elliptical radius on the stub stack.

The base plate is cut from lightweight alloy to save weight.

The ITG filter is of special design with fully radius sides to give an easy fit within the standard baulkhead, and is held in place by two quick release screws

HIF 44 “Stub Stack System” Fully dyno tested with excellent results, on our 1293cc Road Competition engine with our H/T camshaft, the HIF 44 Stub Stack System gave an extra 4.2 BHP @ 5800 RPM over the cone filter.

Kit comes complete with the following

  • Alloy base plate
  • Alloy stub stack
  • ITG filter and fixing screws