I have never heard of a Duc in a proper state of tune and with properly tensioned belts being hurt by hard running at a track day. In fact it appears to be good for them.
The low back pressure Termis, off course, require a different ECU - one that will not connect to a Fatduc. If you put on low-back pressure cans (and worse, an open air box) and did not change the ECU all bets are off. I snapped the vertical belt on my `93 SS by making such changes and "putting off" the necessary re-jetting. Ooops.
-don
The low back pressure Termis, off course, require a different ECU - one that will not connect to a Fatduc. If you put on low-back pressure cans (and worse, an open air box) and did not change the ECU all bets are off. I snapped the vertical belt on my `93 SS by making such changes and "putting off" the necessary re-jetting. Ooops.
-don
