stage 1 questions
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1st Gear
Joined: Sep 2020
Posts: 5
Likes: 0
From: Tacoma
stage 1 questions
Ok, so I've lurked long enough, done as much digging as I can and I've come up with a few questions. So I've got a 2017 RKS 107 M8. I think I've decided on the FM jackpot 2/1/2 headers, and the rinehart motopro 45s. My bike currently has the stock headers with cats and the S&S MK45s, and I really don't like the sound. Going with the power vision tuner as well. Anyways, I've loaded up my cart on the FM site, but i'm a little hung up on the air cleaner. I love the look of the rinehart inverted air cleaner, but haven't been able to find much on here about it. Sounds like a forum fav is the SE heavy breather, which I do like the look of too. Just curious as to any benefit of one over the other, or if most of these are a wash. I called FM and they obviously suggest the FM AC/DC intake, which I'm not entirely opposed to either, but just love the look of the rinehart inverted. As for future plans, I have no plans to go any further than a stage one ever. Don't see the need for it for myself. Thanks for the help!
Road Warrior
Joined: Jul 2012
Posts: 1,307
Likes: 195
From: Ohio
Ok, so I've lurked long enough, done as much digging as I can and I've come up with a few questions. So I've got a 2017 RKS 107 M8. I think I've decided on the FM jackpot 2/1/2 headers, and the rinehart motopro 45s. My bike currently has the stock headers with cats and the S&S MK45s, and I really don't like the sound. Going with the power vision tuner as well. Anyways, I've loaded up my cart on the FM site, but i'm a little hung up on the air cleaner. I love the look of the rinehart inverted air cleaner, but haven't been able to find much on here about it. Sounds like a forum fav is the SE heavy breather, which I do like the look of too. Just curious as to any benefit of one over the other, or if most of these are a wash. I called FM and they obviously suggest the FM AC/DC intake, which I'm not entirely opposed to either, but just love the look of the rinehart inverted. As for future plans, I have no plans to go any further than a stage one ever. Don't see the need for it for myself. Thanks for the help!
Seasoned HDF Member
Joined: Jan 2008
Posts: 13,679
Likes: 11,470
From: State of Confusion
Ok, so I've lurked long enough, done as much digging as I can and I've come up with a few questions. So I've got a 2017 RKS 107 M8. I think I've decided on the FM jackpot 2/1/2 headers, and the rinehart motopro 45s. My bike currently has the stock headers with cats and the S&S MK45s, and I really don't like the sound. Going with the power vision tuner as well. Anyways, I've loaded up my cart on the FM site, but i'm a little hung up on the air cleaner. I love the look of the rinehart inverted air cleaner, but haven't been able to find much on here about it. Sounds like a forum fav is the SE heavy breather, which I do like the look of too. Just curious as to any benefit of one over the other, or if most of these are a wash. I called FM and they obviously suggest the FM AC/DC intake, which I'm not entirely opposed to either, but just love the look of the rinehart inverted. As for future plans, I have no plans to go any further than a stage one ever. Don't see the need for it for myself. Thanks for the help!
Road Master
Joined: Nov 2018
Posts: 860
Likes: 262
From: CA
Something to check on is what kind of bolts are used to secure the AC backplate to the throttle body. Some AC's don't use self capturing bolts. The reason is that you must make sure you use Loc Tite on the non capturing bolts because if one of them comes completely loose it can get injested into the engine. The AC's with captured bolts don't have this concern.
Last edited by cj24; Sep 1, 2020 at 10:38 PM.
Ultimate HDF Member
Joined: Oct 2016
Posts: 5,063
Likes: 2,582
From: On my bike!
Another thing that may save you some coin would be to take 30 mins and decat your stock header, at stage 1 it will perform just as well as an aftermarket header but still get rid of the heat, also save you about $500-700 that you could spend elsewhere.
Seasoned HDF Member
Joined: Jan 2008
Posts: 13,679
Likes: 11,470
From: State of Confusion
not intending to turn this into an oil thread...but I'm under the impression (and knowledgeable folks please step in to correct me if I'm wrong) that when doing away with Catalysts one should use an engine oil with more zinc which offers better overall engine protection, because the only reason for using oils with reduced zinc was to protect the catalysts..???
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Stellar HDF Member
Joined: Feb 2013
Posts: 2,325
Likes: 333
From: Upper Providence Pa
If I can ad, before you spend the money on new slip-ons because your not a fan of the MK-45's sound, put the new head pipe on or even as just mentioned decat your existing head pipe and listen to the MK-45's again. The Cat head pipe is whats making it not sound good.
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Thread Starter
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1st Gear
Joined: Sep 2020
Posts: 5
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From: Tacoma
Thanks for the feedback. One more question I had regarding the air cleaners. I looks like some mention a breather tube and some do not. For example the Arlen Ness big sucker mentions it, and the Trask does not. How important is this? Any real benefit or is it a gimmick. Thanks again
Thread Starter
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1st Gear
Joined: Sep 2020
Posts: 5
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From: Tacoma
I debated this, and would for sure save some coin. These MK45s have a good low rumble, but I really like that crack of the rineharts. Ive done much YouTubing with and without cats on both set ups, and I think I prefer the rineharts.