shift improver mod?

nico z28

09-05-2004, 08:49 PM

any use it?

shoebox

09-05-2004, 09:15 PM

:confused:
Please be more specific.

rncotton

09-09-2004, 10:56 AM

Shift improver mod? ??? M6 or A4? What mod are you talking about?

teke184

09-09-2004, 11:02 AM

you've got the hypertech programmer...so i am thinking you mean the "1st gear selection" mod.

alot of guys use it

Bryan Smith

09-09-2004, 11:06 AM

or he's talking about the performance button that firebirds come with from the factory.