3" down pipe to 4" exhaust??!!
#21
12 Second Truck Club
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Join Date: Jun 2006
Location: colorado above 6000 ft.
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I just got my 4" on last night, picked up 2psi more boost and faster spool- less lag. Im also hitting close to 14 psi in 3rd now. I'll try to get some pics up soon.
#28
9 Second Truck Club
iTrader: (16)
I picked up 1.5~ 2 psi! AFR is to lean though so Im going to run the muffler tomorrow at the track. I also have a big problem running something without mufflers at the track. Im into the run it right off the street thing. At least I know there is some power waiting to be unleashed when I get my 4" exhaust on though.