Thunder headers
Road Master
Joined: Oct 2008
Posts: 760
Likes: 1
From: Mesa, AZ
I've had TH slip-ons for about 2 weeks ('bout 500 miles). I'd heard they blued almost instantly, but mine are still shiny as the day I put them on. I've checked my plugs a couple of times and they show no signs of running too lean and hot. They do gurgle on decel which sounds awesome, but no backfires or pinging.
Road Warrior
Joined: Feb 2006
Posts: 1,700
Likes: 0
From: down south
You can't be the sound of the thunderheader. I've ran one on all my previous bikes except this one. I went with bassani slipons this time. They sound good, but they aren't nearly as deep sounding as the thunderheader.
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2009, commander, duel, glide, header, headers, nighttrain, power, road, sound, street, thunder, thunderheader, thunderheaders, true
