Tell your buddy he needs to go back to school on autos.
The CAI's for the NA cars are exactly the same for the S/C'd cars. And in all reality the L67 benifits more from it then the L36s.
There's a few premades out there but it's easy to make your own.
Ill point him to look at the FAQ section on the forum.
1997-2003 GTP 3.8 = L67 = Supercharged Motor
1997-2003 GT 3.8 = L36 = Naturally Aspiratied Motor
Tell your friend Mr. Automotive guy there are hundreds of aftermarket parts for these cars.
http://www.zzperformance.com (Record holding 8 sec Turbo Grand Prix.)
Your friend = Retard
_________________________
04 GTO M6 | HE SS Clutch | Kooks LT's | SLP LM2 | K&N
Soon: APS TT kit
SOLD \/
01 GT | STr5 cam | PT-67 | 18-22psi