better maintain stock exhaust & piping diameter for the economical of petrol use. You'll feel better acceleration compare with the bigger exhaust piping diameter. Just get yr TB tuned to get better response engine...like mine..hehe
My 4G91 engine sometime giving like whistling sound when you rev it at 5000 to 6000 rpm. Anybody experience like this before? Any suggestion to increase the power?
i m looking for a most suitable spark plug for mivec engine, my car is wira, pls reccommend some...
i got an offer for Denso iridium IK24, rm40 each, is it reasonable? but i dunno whether this suits my car or not as Mr jinkl said he use IK22, i wonder wats the differences?
Thanks for all the information that i m going to receive!! : )
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