Turbo TA 80-81 HEATER PIPE NOS GM The factory Y-pipe will not

The factory Y-pipe will not fit these headers

so choose which set you need be measuring your steel mounting posts or between the ears of you old rubber mount

This is why

These are a model series that is prone to dissy corrosion around the base place & pickup coil which is the round thing on the bottom of the distributor plate

for the LH drive dash

Turbo TA 80-81 HEATER PIPE NOS GM The factory Y-pipe will notPipe Heater Outlet: 301+Turbo (GM NOS) Rare This heater pipe, original and never remanufactured, is uniquely made for the 301 Pontiac V8 from the 1980 81 model years. It tends to become brittle with age and can fail unexpectedly, causing significant inconvenience. Old GM original unused new part. Two in stock only as of June 2025.