RE: Question about headers on an 04 auto
You can run lontubes. Either SLP or MAC, not sure about pypes, you might wan tot call there tech. Don't forget to get the o2 extension for the LT, there not long enough. Everyone online has them. You will also have to get mill eleiminators of you get a oOR midpipe, . If you have a handheld, you can turn them off.
I have a auto also and it took us 10 hours to get this done. No fun. If you don't have the patience, you'll pay $300-600 for labor. good luck.
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2002 gt-vert-3.73 gears, MAC LT headers , MAC ProChamber,SLP II exhaust ,C&L plenum,75mm BBK TB, p-1sc procharger/8lbs, sct big air 90 mm MAF,SCT tuner/ tuned by Livernois Motorsports/Dearborn-MI-366.4RWHP/376.6 RWTQ-auto MRT lower control arms,
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