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[DCFIREMANN]

Jim I must agree with you on fit and finish. I have had a NO brackets on my Thunder Headers break. They have been good as gold. Like I said in the above post I just wish they made the Thunder Header with a 2 1/4 primary. I think they would help the big motors breath.

Be Safe

THE DAWG

[AXIL]

   evo or twin cam exh. you stiil have the same size exh. pipe at the head.  axil

[hd-dude]

 hd-dude, I agree with the fit&finish but the beauty is in the flaw's. I have no problems with there pipes or mufflers,
 but I've had a few heat Shields clamp mounts break. but none the less some one says the thunder header is for a
 80 ci motor is a bunch of bravo Serra...not just my opinion but my experience.       axil

Jim I must agree with you on fit and finish. I have had a NO brackets on my Thunder Headers break. They have been good as gold. Like I said in the above post I just wish they made the Thunder Header with a 2 1/4 primary. I think they would help the big motors breath.

Be Safe

THE DAWG

We all agree on quality and fit. Some are luckier on the breaking brackets. I have had many fitment issues as well.  As Axil stated heat shields straps break so often I keep extra sets of the 3 shields in stock.

I think the 80CI statement has to do with when the TH was designed. What was around then was the 80" EVO's . For what its worth the basic design of the pipe has not changed. It does work VERY well on engines up to about 113" or so. One thing I do not like about the performace of the TH is the torque dip around 2500 RPM, This can be tuned out in some cases, also bending the fins in the pipe down to create more back pressure works well.

[AXIL]

  thank you jim. I completely agree.   axil

[DCFIREMANN]

We all agree on quality and fit. Some are luckier on the breaking brackets. I have had many fitment issues as well.  As Axil stated heat shields straps break so often I keep extra sets of the 3 shields in stock.

I think the 80CI statement has to do with when the TH was designed. What was around then was the 80" EVO's . For what its worth the basic design of the pipe has not changed. It does work VERY well on engines up to about 113" or so. One thing I do not like about the performace of the TH is the torque dip around 2500 RPM, This can be tuned out in some cases, also bending the fins in the pipe down to create more back pressure works well.

Jim I will have to call you on this one. There is a fix. You insert a bolt in the pipe down by the revision cone and adjust from there.

Be Safe

THE DAWG

[rednectum]

We all agree on quality and fit. Some are luckier on the breaking brackets. I have had many fitment issues as well.  As Axil stated heat shields straps break so often I keep extra sets of the 3 shields in stock.

I think the 80CI statement has to do with when the TH was designed. What was around then was the 80" EVO's . For what its worth the basic design of the pipe has not changed. It does work VERY well on engines up to about 113" or so. One thing I do not like about the performace of the TH is the torque dip around 2500 RPM, This can be tuned out in some cases, also bending the fins in the pipe down to create more back pressure works well.

you got it hd-dude. you said what i was trying to say-------thanks. 

[09 S/T FLTRSE3]

Never forget that the TH have non-removable baffle, so there is nothing you can do to tune the pipe.  The Fatcat has different baffles to choose from as well as being able to pull out and mod as needed.

Not quite true, The TH has vanes inside to direct exhaust gasses into a swirl pattern . You can bend them to create a bit more back pressure / torque. The D&D is a great pipe as well. A bit easier to tune. The TH is definately louder.

Cheers, Ken 

[FiveO CVO]

I would go with the D/D Fatcat for fit/finish/sound.  I've seen too many TH's with rust developing at the back reversion area for whatever reason.  Granted I live in Honolulu.  IMO the TH just doesn't compliment an HD or make it sound like it should.  I'm in Iraq right now, but when I get home in June on my mid-tour, I'll be installing my LSR 2-1 Spyder's by RB Racing.  I can't wait to get them tuned in and running.  I attached a few pic's of a set installed on a 2008 103" FLH, the same pipes I ordered.  SS Titanium finish/coating and chrome heat shields.  In the pic, he has his slash facing out but I'm getting mine with it down.  The other pic is the chrome version of the same pipe.  I'll post and let everyone see once I get them installed on my FLHRSE4/Anniversary.  If you do a "RB Racing Exhaust" search on You Tube you can see and hear how some of RB Racing pipes sound.  Good luck with your purchase and satisfaction on whichever you choose.

[FiveO CVO]

Sorry, here's the other pic of the chrome version of the LSR 2-1 Spyder by RB Racing.  Enjoy.

[JohnT.]

  I am contemplating on switching out my Rinehart "True Dual" system for a 2 into 1. I actually like the look of the RB Racing pipe better than TH or D&D's product.
My friend has a LSR 2 into 1 system by RB and loves his. I know that when it comes to exhaust, every product is subjective, with some people prefering more loudness,
than others. Some people will give up on a pipe that actually makes good numbers on the dyno, but the sound is not what they prefer, and vice versa. I personally,
like the RB Racing Blackhole System, this is really a good looking exhaust, plus, I've heard its quiet, which for me, I prefer quiet over loudness. Sometimes I like to
ride late at night, and the Rineharts are mile or mores when it comes to sound. You can hear them for a mile or more. I don't like attracting unwanted attention to myself by running a loud exhaust. Plus, alot of states are cracking down on motorcycle "noise" .. Curious as to why I don't read of more people running RB Racing products on their bikes on this site, their website is FULL of positive testamonials, why are none of those people here??  They make loud pipes as well as quiet ones..