Top budget upgrade: Cold air intakes lead Jalopnik’s list of sub-$1,000 horsepower mods for their ease, cost, and noticeable gains. Other strong options: Cat-back exhausts, ECU tunes, and performance ...
The 5.3-liter V8 Ecotec3 might seem like the stepchild of the General Motors family, especially with the LS series of engines around, but it's a winner in its own right. This naturally aspirated ...