manifold

you can get a janspeed 4-2-1 manifold and they are highley recconended, or a maniflow which iirc is silly price but even better for power gains
 
i dont see that your going to see any power gains having a maniflow overa janspeed, they're probably just made of higher quality materials.
 
The pipes on the maniflow are larger. The materials used and the welds are far superior to those used by Janspeed.
 
£1000 lmfao! are they drunk?

I payed £175 for my custom made stainless steel 4-2-1 with lifetime guarentee.
 
you wont see any benefit from the larger tubing as the engine just doesnt produce enough volume of gas for it to be worthwhile.

For easyness and price, go for a 2nd hand janspeed.
 
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