Quote Originally Posted by jjmd3_787 View Post
Here's the universal rule:

"MORE HORSE POWER, LESS FUEL EFFICIENCY"

Just beware of many shops, expecially lots of local mufffer shops, who offers headers installation. Baka lalong masira ang makina mo. Nothing beats the regular tune-up maintenance w/c includes timing, change of sparkplugs, and the valves, fuel, and air adjustments.

Want a real power boost? Change the engine...
+1...or turbo lang katapat nyan.ehehhehhe