Stillen components produce less horse power
07-01-2008, 10:48 PM
#31
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I think maybe you made TOO much power and broke the dyno. 
Oh yeah, i just visited their site. It s hows a 03 350z dynoing 408 with a greddy kit at only 6.5psi . That seams to high in hp for only 6.5psi which is stock boost. at 9-10psi i can see it happenint.
Oh yeah, i just visited their site. It s hows a 03 350z dynoing 408 with a greddy kit at only 6.5psi . That seams to high in hp for only 6.5psi which is stock boost. at 9-10psi i can see it happenint.
Last edited by Exhaust Depot; 07-01-2008 at 10:54 PM.
07-01-2008, 11:03 PM
#32
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I have the Stillen HFC and Exhaust and I feel a nice power difference....get a reflash too! Our cars don't do all that great with bolt-ons without a reflash...that's just the way it is now with these newer cars..
07-02-2008, 01:19 AM
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07-02-2008, 11:33 PM
#37
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Maybe the dealer put the intake on and threw the rest of the new parts in the dumpster. Better look under the car to see if they put everything on. Just kidding ... but it wouldn't surprise me. The dealer told me one time that I needed a brake job and the pads were less than half worn. And they weren't crystalized either b/c I took them apart and looked at them myself.
08-03-2008, 01:18 AM
#39
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https://www.myg37.com/forums/d-i-y-installations-modifications/175792-easy-way-to-reset-ecu-without-battery-disconnect.html
Let us know how it feels after. Also, since you have an auto, consider the grounding kit, many members here reported big shifting improvements. It might be a nice addition to your package.
12-21-2008, 03:23 AM
#40
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man this thread just gave me a lot of doubt now cause i just oredered stillen headers and hfc but the only differnce is i will be having a cobb ap could this happen to me ( i mean a powers loss that is) please need advice
12-21-2008, 06:32 AM
#41
Wow, how you even found this ancient post in the first place is a mystery in itself.
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12-21-2008, 08:42 AM
#42
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^^ lol 
561G37 I currently have Stillen's HFC and not too long after install I got CEL. So when it does come on for you, call customer service or send a email and let them know. They will give you o2 sensor extension to trick the ECU. Good Luck
JY
561G37 I currently have Stillen's HFC and not too long after install I got CEL. So when it does come on for you, call customer service or send a email and let them know. They will give you o2 sensor extension to trick the ECU. Good Luck
JY
12-21-2008, 03:35 PM
#43
fvcking noobs **** me off...ok....290whp...stock...bullshiet...its like 2+2=4 and your saying its 5, no your wrong, that dyno sheet is incorrect, 290whp is impossible for a stock g37, when dynoed LEGITELY. Not bashing toward you buddy, more likely you're dyno-er.
