cheap hp perf parts

[fasterthanhell]

what is the cheapest performace mods for a 300ex and if you could write the hp gained that would be great.....thanx

[quadracer04]

An exhaust is the best hp mod to start out with. Get a Sparks or HMF for your 300 and you will not be disappointed

[300ex_#387]

Exhaust and a good port and polish and an airfilter i dunno how cheap it is to get port and polish becuase my mechanic did it but it works