hey guys i just bought a 2003 cobra stock. my budget is a litttle tight, what mods should i do? everyone says to get a pullie, intake, exhaust, Fluidyne Heat Exchanger, Fluidyne radiator. Does the car stay reliable with those mods, and how much does that all cost?
The first thing i would do is get full exhaust. Then do a cai of some kind. Then, when you are ready, do the pully swap and you will have to have a tune for that. It all depends on what brands you get, all this work including install would be like from 1500-2000
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-04 Mustang GT-Intercooled Kenne bell 2.1L supercharged @10psi, C&L cold air intake, mass air flow, Sumitt racing 75mm throttle body, Magnaflow catback with Bassani X-pipe, chip and dyno tuned, 3:73 gears, B&M short shifter, FMS lowering springs and UPR caster camber plates, UPR upper/lower control arms, UPR subframe connectors. Kumho 275 up front/Kumho XS 315 in rear. Currently 420RWHP/435lbtq
-Daily Driver 04 Toyota Tacoma PreRunner, Blacked out, TRD suspension, K&N filter.
Pulley,Intake,exhaust, and a good tune. There is not need for a new radiator, I am still running a stock one in my car and it does just fine. H/E is a good mod but still not necessary. As for reliabillity you don't need to worry about that with just those mods.
with the hellion 76mm kit it makes 720 to the rear wheels and somewhere around 650 tq...plus side its way easier to use on the street then the kenne bell....ive had both. also i have the 88mm turbo as well...that puts about another 100hp/100tq to those numbers.
Awesome... Can't remember right at this moment, but someone has a kit that is dual turbos and is pumping around 1600 to 1800 hp for around 7500 dollars. Kit looks sweet. Will have to beef up the whole ride with that.
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2003 SVT Cobra vert. Tourch Red 458 rwhp at 474 rwtq. mods 2.810 pulley, steeda cold air, cat back - flowmaster exhaust, sct tune, 15.8 boost, boost overlay.
Limited budget? Try the Steig Stage IV port...unless they have a newer and better design. This was 3 years ago but it cost me $500 total, shipping and everything. Might be more now. Gained 40rwhp at the peak alone from that mod with the same 2.8" pulley. Night and day difference.
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What mods i should do for 2003 Mustang cobra? 
