ok, I've decided that the best place to start, for me anyway, is an exhaust for my 2003 GT. that being said, here are some questions hopefully you guys can answer. </P>
1) Are BBK and MAC the only manufacturers who make long tube headers for late model GT's?If no, then who else?</P>
2) If I put on a long tube header, can I use any of the stock downstream components (just for a bit, until i get more $$) ?</P>
3) If i can't use any of the stock components with the headers what are my options? - orwhat componentscould I use that would work with the stockmanifold/header and still work with long tube headers a bit down the road? I need to use Cat's in case thats an issue.</P>
I know I'm asking alot, but I really want to do what's best for the car - performance wise - and don't mind waiting to do it right eventually. Also I would abosolutely hate the "droning" sound so if any of this would cause that please let me know.</P>
thanks</P>
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2003 GT, Vortech S/C
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Check my sig and look at my mods. I have a small drone at around 1800 rpm, but in all actuality its kinda quite. The prochamber really quiets it down alot and magnaflow is a great flowing exhaust but really isnt all that loud either. To help answer your questions:</P>
1. To my knowledge, yes they are at the moment. BBK is superior in quality to Mac in most every aspect, I chose Mac because I got a great deal on a used setup.</P>
2. Your cat-back exhaust can remain, but your h-pipe will have to be replaced. The longtubes require a much shorter h-pipe. </P>
3. You can't use any h-pipe with both your stock manifold and a set of longtubes.</P>
You need to consider the cost of longtube installation in your budget. If you intend to do it yourself, be prepared to spend10+ solid hardworking hours to install them. I installed my longtubes, they are definately worth the improvement. With my full exhaust, I honestly can say I gained 35+ hp from the full exhaust setup and the car now pulls hard all the way to redline, where as before power fell off after 5k. Good luck with your decision.</P>
thanks for the help just a few more questions if you don't mind...</P>
I'm also planning on lowering the car a bit with springs - an inch or so, would i have problems with the long tubes in this regard? I read your post earlier and it sounded like the system, at its lowest point, only hung a half inch lower than the stock setup. Am I understanding this correctly? Finally,do you know which header out of the two "hangs" less?</P>
Nah I don't know which one hangs less, but I'm gonna lower my car 1 1/4 inch soon and its not gonna be a problem with the Mac longtubes for sure. Other people have complained of scrubbing on bumps and such, but I dont know what cars or brand long-tubes they were using.
Do you know if the BBK's are louder? I like the loud sound of my Mustang with the stock manifold and an offroad H-pipe exiting through flowmasters. I'd like to keep it just as loud as it is now if not louder.
long tube header questi&#
