Jul 26, 2017 · ThunderHeader Damn thing is LOUD. It sounds good, especially with the RPMS wound up, but on my V-Rod with the ThunderHeader I had to wear ear plugs otherwise my ears would ring, …

Nov 22, 2018 · Thunderheader for M8 Jump to Latest 16K views 8 replies 5 participants last post by 19SCORCH Jul 16, 2019 T

Mar 26, 2012 · I have the Thunderheader 2 into 1 on my 2012 RGC. The sound and performance are awesome. The looks of the exhaust ain't the best though. In particular, the end of the muffler is way …

Sep 22, 2016 · Thunderheader is a 2 into 1 system. You have the muffler that comes on the Thunderheader but not the head pipes. The system is a single sided exhaust although they sell a …

Feb 27, 2013 · I am waiting on my new pro pipe and a buddy is waiting a new t header. Both are 2-1 Which pipe will provide the best horsepower or is it so nominal on difference one can't tell.

Sep 13, 2023 · I removed the cat section, removed and filled the crossover tube hole, and welded the outlet back on cut to the length I needed for the Thunderheader to mount correctly at the saddlebag …

May 9, 2015 · So I just recently acquired 2002 RG. Currently it has 2-1 Thunderheader on it. If I want to bring it back to duals, can I just get stock dual headers and then add slip-one? There is a guys …

May 13, 2025 · Selling my Thunderheader exhaust. It’s for an M8. Has 3400 miles on it. Went a different direction. Great shape Pics tomorrow

Mar 8, 2014 · Hello, having a few issues here. Any thoughts are much appreciated. I have a 2013 Road glide. 103ci with woods tw555 cams, cobra fi2000 powerpro auto tuner, v& h powerpro high output 2 …

Apr 16, 2012 · I've had Thunder cone slip-ons, 2-1 Thunderheader, and now true duals Thunderheader, last combo with a ProCharger...They all sound AWESOME, the only downfall is the look out the back.