i drove a wira mivec 1.8, the exhaust set up while i was 1.6 is 2.1" + two tip muffler like perdana. After i changed my block to 1.8, i been asking quite a number of people for exhaust set up as i wanna change extractor for better flow.
hotbits and Powerzone 4-2-1 is more or less the same price, and hotbits 4-1 is around rm680, however when i asked the dealer which also my friend, he said he not sure whether this suits me or not, and advise me not to change it. I went to...
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