I am ordering a zzp downpipe without cat , and zzp plog, soon and had read I will need a reflash.where can this be done ? Or anyone local that can tune my car with those mods, my slp catback,and 180 t-stat?
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03-20-2012
I am ordering a zzp downpipe without cat , and zzp plog, soon and had read I will need a reflash.where can this be done ? Or anyone local that can tune my car with those mods, my slp catback,and 180 t-stat?
03-20-2012
I don't think u need a "reflash" for running catless... Depending on ur year u might need a o2 sim.
03-20-2012
'97-'00 cars can run a sim...any '01+ needs the code shut off through the PCM.
Also, that 180* is worthless without a tune anyways...because the factory fan turn on points are still the same...so, keep the stocker or buy a canned PCM, like one from 3800performance.com
DHP PCM is the best mail order PCM, ever.
03-20-2012
^^^This. Although I know I didn't need to tune out the cat.
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
03-20-2012
My 03 ran without a cat and with stock PCM for a few thousand miles, no problem. No CEL or poor MPG.
I used those spark plug non-foulers to space the rear O2.
03-20-2012
It's hit and miss really...you just got lucky.
My car hated me.
03-20-2012
so lets say If i cut my 3'' cat off my car is gonna run like ****?
mine is clogged... My front manifold was glowing red after 2 runs...
Originally Posted by RedDawnGXP
03-20-2012
Not really.
Like I said, its hit and miss, breh.
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