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Discussion Starter · #1 ·
I bought the bike with a two bros slip on. It's so f-ing loud! It has a great sound to it, but it's just way to loud imo, and illegal. I am thinking of getting rid of it, but not sure what would be more suitable. I like the M4 sound, but would it be just as loud? Any concerns with buying second hand exhausts?

There appears to be a metal baffle in it as well, but it's not baffling much. Maybe looking into a db killer or something would be a good idea?

Apparently with the K7, the slip on deletes the cat.
 

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I bought the bike with a two bros slip on. It's so f-ing loud! It has a great sound to it, but it's just way to loud imo, and illegal. I am thinking of getting rid of it, but not sure what would be more suitable. I like the M4 sound, but would it be just as loud? Any concerns with buying second hand exhausts?

There appears to be a metal baffle in it as well, but it's not baffling much. Maybe looking into a db killer or something would be a good idea?

Apparently with the K7, the slip on deletes the cat.
I have had zero issues buying used exhaust systems just make sure you get good pics of what you’re buying.

The M4 isn’t nearly as loud bc it comes with a small (muffler like)canister that sits under the bike. Some of the Yosh exhausts come with little canisters as well I’ve noticed.

I had Scorpion slip on for my 07 750 and it looked and sounded great!



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Also any exhaust from 06-10 will mount right up. I would definitely sell that TwoBros on eBay after you get another one. People
Love them it seems.


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Discussion Starter · #6 ·
Also any exhaust from 06-10 will mount right up. I would definitely sell that TwoBros on eBay after you get another one. People
Love them it seems.


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Sorry, dumb question, but is this slip on a full piece as shown in the images, up until that first bracket or whatever?
 

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2007 GSXR750
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Discussion Starter · #7 ·
I bought the bike with a two bros slip on. It's so f-ing loud! It has a great sound to it, but it's just way to loud imo, and illegal. I am thinking of getting rid of it, but not sure what would be more suitable. I like the M4 sound, but would it be just as loud? Any concerns with buying second hand exhausts?

There appears to be a metal baffle in it as well, but it's not baffling much. Maybe looking into a db killer or something would be a good idea?

Apparently with the K7, the slip on deletes the cat.
Sorry, dumb question, but is this slip on a full piece as shown in the images, up until that first bracket or whatever?
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Sorry, dumb question, but is this slip on a full piece as shown in the images, up until that first bracket or whatever?
That is not a dumb question at all man, this is how you learn about these things. To answer in a word, yes that is a slip on. The full exhaust would include a new set of headers. I’d look for one that is a little longer like the one that i have on my bike in that pic, or one that uses a little underbelly canister to deaden sound.


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I bought the bike with a two bros slip on. It's so f-ing loud! It has a great sound to it, but it's just way to loud imo, and illegal. I am thinking of getting rid of it, but not sure what would be more suitable
Almost anything😆



Also any exhaust from 06-10 will mount right up.
No, because unlike the K6/7, the '08s and beyond had the cat welded to the headers, so the only thing that would be changed was the end muffler
So, if you want a K8+ slipon on a K6/7, you're gonna need a separate linkpipe
 
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Almost anything





No, because unlike the K6/7, the '08s and beyond had the cat welded to the headers, so the only thing that would be changed was the end muffler
So, if you want a K8+ slipon on a K6/7, you're gonna need a separate linkpipe
Appreciate the clarification sir. Thank you.


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Yes, M4 with baffle is quieter than the 2 Bros. I agree go for the used slip-on can; super easy to install.
 
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