I thought flowmaster kind of hindered hp output b/c of the way they are design??? I could be wrong though. I 1 5/8 shorty headers with fact. H and a Dynomax Catback. I'm still looking for a louder exhaust. 
__________________
1994 Rio Red Cobra
Dynomax Catback
BBK Shorty Headers, 65mm TB
3.73 Gears, Dynomax Catback, CAI, Pro-5.0
-------------------------------
89 GT
Flowmasters, Pulleys
|