Does anyone know how the aftermarket parts world is with these cars / engines?
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cam/nitrous/catback are a few mods ive seen on those cars, one guy did a turbo but it was custom
Do you know of any websites? I'm wondering if people are using LSX parts, but I'm not sure
Terrible. Because it is the same trans that is behind the 3800 supercharged motor.
I suggest: GMLS4.com - Index
or
LS4 Performance - LS1TECH
This is the best LS4 tuner, IMO: DiabLew Tune - Custom Tuning for GM Vehicles - DiabloSport inTune, Trinity, Predator Custom Tuning by 06MonteSS