New 5th/6th/8th gen performance header now in production in USA
A pre-production prototype header assembly with specifications nearly identical to the Two Brothers Racing [TBR] 5th gen VFR 800 header is now being constructed in southern California.
This is a new thread duplicating a post on the VFRD '5th & 6th VFR 800 Header build' thread. The objective of this new thread is to give the project described below an opportunity to stand on its own four cylinders. There is a metric ton of valuable data and opinion on the old thread, so if you're
FOR SALE - one Power Commander V, Dynojet part #16-005 for 1998-2009 Honda VFR800s. Like new, very little use. Produces dyno charts like this when installed on a 2001 5th gen VFR:
The short story:
Success. 3.62hp increase after simply bolting on the new header with zero tuning. 7.63hp increase after tuning the new header with Power Commander 3 installed.
The long version including dyno charts:
Yesterday's dyno sessions ended up being v
