Editing Recommended mods to RB30E (section)

==Extractors==

Various types of extractors on the market for the [[RB30E]].
It should be noted that the [[R31]] [[:category:Skyline|Skyline]] extractors are a different length to the VL commodore extractors which should make the buyer beware.
The extractors generally should be slightly larger than the same diameter as the exhaust, depending on the size.
This is since the exhaust usually restricts the actual gases coming out of the engine through bends (where mandrel bends will provide less restriction than pressed bends). The GTS1 and GTS2 model [[:category:Skyline|Skyline]]s have 2" extractors to 2.25" catylitic converter to 2.25" exhaust. The price in extractors is usually dependent on their quality (like build materials such as stainless steel and the welding) as well as the accuracy of the turing in the bends of the pipes.
Better tuned length extractors will generally flow better than ones where the lengths are slightly off.
Prices begin at around $250.