18-10-2007, 04:37pm
RaZ Wrote:yep - as with all mods to your pipes :)
Well not always, I dont know if the R22's are 4 into 1 or bolt ons. But many are designed not needing mapping. Perhaps 4into1 preferably. mapping is always good but bolt ons usually require no re-mapping.
Copper/Silver - The original, the rest are just copies.