There is this idiot on LS1GTO.com that believes his GTP runs mid 12's with these mods-
Custom CAI- $20
GMPP catback- $500
1.9 rocker arms- $300
Headers w/cat- $865
Custom programed PCM- $165
Interchangeable pulley system with 3.4 & 3.25" pulleys- $130
No cam, heads, cooling system, nitrous, nada, zip, zilch.
Although he doesn't keep slips because they are not important.
Custom CAI- $20
GMPP catback- $500
1.9 rocker arms- $300
Headers w/cat- $865
Custom programed PCM- $165
Interchangeable pulley system with 3.4 & 3.25" pulleys- $130
No cam, heads, cooling system, nitrous, nada, zip, zilch.
Although he doesn't keep slips because they are not important.