4-2-1? 4-1? Extractors broken down!

RENESIS VIII

7,000 RPM
Senior Member
Jun 13, 2012
7,063
950
1,713
Ipoh
What sort of extractors would perform worse than a stock log manifold? :rofl: You go for 4-1 also it'll make power.
Well, in many mods, there are always ups and downs to it. Like you gain top end but lose low end. Gain power, lose in fuel consumption. For my extractor mod, initially before I change it, I was a bit worried if there is any downside to it or not but seems like there is none.
 

LittleWhiteWagon

1,500 RPM
Senior Member
Oct 12, 2009
1,656
187
1,663
P.J
Well, in many mods, there are always ups and downs to it. Like you gain top end but lose low end. Gain power, lose in fuel consumption. For my extractor mod, initially before I change it, I was a bit worried if there is any downside to it or not but seems like there is none.
Really? What sort of bolt on modifications gain power but affect your fuel consumption badly? :hmmmm:
 

deenweirdoz

Active Member
Senior Member
Oct 18, 2008
46
0
1,506
For auto which most of the usage for city driving and sometime for long distant drive, it is advisable for 4-2-1 set up?
 

LittleWhiteWagon

1,500 RPM
Senior Member
Oct 12, 2009
1,656
187
1,663
P.J
For auto which most of the usage for city driving and sometime for long distant drive, it is advisable for 4-2-1 set up?
You can never go wrong with 4-2-1. Your piping size and muffler, that's a different thing again though.
 

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