slowyellow03

I have a 03 gt, just got comp stage 2s. Now I need to know what convertor I need. The car has p&p heads, comp stage 2s, jlt cold air, 78mm throttle body(bbk), long tubes but not installed yet, o/r x pipe, cat back and 410, zex nitrous kit. Also any ideas on how much power I may be makin? Thanks

mrtstang

I'm guessing you should be around 300-310 rwhp n/a. What size shot are you running?

kugzgt

what kind of longtubes did you go with?

slowyellow03

Running a 100

slowyellow03

Bbk longtubes

mrtstang

On the juice you might be around 400 rwhp & and 450-500 rwtq. That's about where i'm at (i have stock PI heads though) but my 100 shot runs unusually strong.

kugzgt

your car is automatic?

slowyellow03

Yes, need to know who make a good converter for my car

kugzgt

i hope you didnt pay too much for those headers.

directly from bbks site.


Each BBK Full length header system is CAD designed and manufactured with 1 5/8"" CNC mandrel bent tubing for un-restrictive airflow and a one piece 3/8” laser cut flange for added strength and durability. ALL BBK exhaust headers are pressure tested to ensure leak free performance.

Each BBK full length exhaust header system has been designed and dyno tested at the BBK headquarters in Southern California for Maximimum performance. Results have shown an additional 14-22 rear wheel horsepower over stock.

BBK’s Mustang full length headers are recommended for built engines and high performance applications. They offer BBK’s distinctive quality that guarantees many years of top performance.

These BBK CNC Series full length headers for the 1996-2004 Mustang GT & Cobra are available with optional high-temp Silver polished ceramic coating or a chrome finish.

All exhaust header kits include new gaskets and hardware.


Please note:


*BBK full length headers require a BBK short X pipe or H pipe to complete installation to the cat-back exhaust system- see recommended additional parts

*BBK full length headers only fit standard 5 speed transmissions

*1532 & 15320 1998 Cobra requires modification to driver side emissions tube

slowyellow03

Buddy of mine gave them to me when he sold his 04....