This NACA Induction System for the Twin Comanche is
designed to increase manifold pressure while lowering cylinder
head temperatures (particularly the #3 cylinder) by taking clean
cool air in a NACA duct through an improved air filter and into the
engine. 

The kits comes complete with everything necessary to install
including all hardware, step-by-step instructions and is fully
STC’d.

The induction system and nose bowl kit are not applicable with turbo model
Twin Comanches.

Piper PA-30; PA-39  Non-Turbo Models  Price $1269.00