When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
yeah thats the only thing I can figure also. It is just running so pig rich. you also have mods with no tune. so it might be dumping in more fuel to try and compensate(spelling) for the extra air......were you running WOT when this happened or were you just cruising
The tune has nothing to do with it for mine backfires as well when downshifting.
Later, Ken
AMS Intake&Exhaust
Iveytune (322 all around; Dynojet)
Robispec K&W