List of Bolt-Ons
Thanks
Cold Air Intake (20whp, $300-500)
Headers & Exhaust (25-40whp, $600-2000)
FAST 102 Intake Manifold (8-15hp, $900)
Underdrive Pulley (5-8 hp, $200)
Ported TB (3-8hp, $150)
Electric Water Pump (8-12hp, $600)
Dyno Tune (10-40hp depending on mods, $350-600)
Aftermarket Shifter (Worth its weight in gold, I like MGW)
More difficult work
Cam & Springs (35-55hp, $700-850 for a complete package)
Ported Heads (20-30hp, $850-1200+core depending on company)
All HP gains and cost are rough estimates, but should be pretty close.
As I said, I don't know much about the LS3. But with my LS1 a CAI will get you 10WHP...TOPS! And that's combined with supporting mods. That seems like a stretch.
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