vacuum gauge is not to check ur AFR laa...
vacuum gauge is to check ur intake manifold pressure...
haha... tired of explaining over and over again every few days when new member pops in asking the same thing....
u can unfriend him adi...
check all 4 tyres for correct tyre pressure... check if all 4 tyres got thread or not...
check front and rear absorber see if they are working or dead (damaged/leaking)...
check wheel alignment as well as camber setting...
check front lower arm bushing and rear trailing arm bushing....
there's a bolt size 14 or 17 (cannot remember) just below the linkage selector... remove it and stick ur finger inside... if u can touch the oil means sufficient... if not, pls top up with extra gear oil...
1. stroker kit consist of crankshaft, conrods and pistons... it is meant to increase an engine displacement by increasing the bore and stroke size... there are tonnes of stroker kit out there for various types of engine.... for example, evo 2.2L stroker kit and so on.... for 4g15, we can use stroker kit from 4g18 engine... to use 4g15 stroker kit in 4g13 is dangerous as 4g13 cylinder block wall is quite thin to begin with...
original proton iswara 4-2-1 header looks like this... its also called cast exhaust manifold...

aftermarket 4-2-1 extractor looks like this...

notice the difference between both 4-2-1 extractor??... 4-2-1 is just the configuration... piping size and length is what matters....
as for muffler.... inside of an s-flow muffler looks like this...

QUOTE(fleekreturn @ May 10 2011, 08:32 PM)
ya jenal. everything also have at his place. can open workshop for DIY. btw, after installed CAI, my FC a bit better than before. i wonder what aftermarket filter will do if i change my stock drop in paper filter.
May I know what CAI?
while straight flow muffler looks like this...

low and mid-range torque... stock exhaust is the best...
total cost approximate that price laa...
i got sell... interested PM me...
customed by jenal??.. dat one really sifu... his work place equipped with proper machinery as well...