A new intake manifold was also part of the 2009 upgrade and helped boost output well beyond 300 horsepower. Gearheads are always looking to wring a little extra power out of any engine ...

No problem. Toss LS3 heads onto an LS2 block? Yep, you can do that too, so long as you have the right intake manifold. A lot of this is possible due to the similarities shared across the LS line ...