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General Category >> Rubber Side Down! >> performace with Sportbike exhaust?
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Message started by botticelli on 05/12/15 at 18:41:09

Title: performace with Sportbike exhaust?
Post by botticelli on 05/12/15 at 18:41:09

I love the look of under-slung exhausts, and am going that route with my savage build.

I'm going to (attempt) make my own header from 1.5 inch, so that will be a custom job to start with.

Since the first thing all the squid sport bike riders do is rip off their factor exhausts for something else, ebay has an endless supply.

Was thinking something like the photo, not exactly, but you get the idea.

Any thoughts on performance?

Title: Re: performace with Sportbike exhaust?
Post by Gary_in_NJ on 05/12/15 at 19:19:33

I don't know about performance, but it looks like it will be loud.

Title: Re: performace with Sportbike exhaust?
Post by Serowbot on 05/12/15 at 19:43:24

I like the under-muff look too...
Check out the Ninja 650...

Just don't point it at your rear tire... or the heat will make your tread into mozzarella...
;)...

http://image.motorcyclistonline.com/f/11201844/11201844+w400/2009_Kawasaki_Ninja_650R.jpg

Title: Re: performace with Sportbike exhaust?
Post by botticelli on 05/12/15 at 19:49:08

yeah cheesy tires = no bueno!!!

The 650 exhaust looks cool untill you see its huge!!! bigger than the motor on the savage ill bet!!!

http://www.ebay.com/itm/12-14-KAWASAKI-NINJA-EX-650-EXHAUST-MUFFLER-CAT-HEADERS-TIP-OEM-/121433395176?hash=item1c45fe8fe8&vxp=mtr

Title: Re: performace with Sportbike exhaust?
Post by Art Webb on 05/12/15 at 19:55:00

no idea what it'll do for performance, but it'll steal ground clearance underslung
I guess this only matters if you're prone to hop curbs, like me ;D
(I should REALLY look int oa dual sport)

Title: Re: performace with Sportbike exhaust?
Post by Kris01 on 05/12/15 at 20:36:36

Just a stab in the dark -- performance-wise, nothing more than your average Dyna.

Title: Re: performace with Sportbike exhaust?
Post by justin_o_guy2 on 05/12/15 at 20:41:19

Got any speed bumps in town.

Title: Re: performace with Sportbike exhaust?
Post by Flint on 05/12/15 at 21:09:02

I would think you would end up grinding it off every time you go over a speed bump or pot hole.

Title: Re: performace with Sportbike exhaust?
Post by Art Webb on 05/12/15 at 21:21:50

C'mon guys the Savage don't ride THAT low ;D

Title: Re: performace with Sportbike exhaust?
Post by Dave on 05/13/15 at 03:37:41

From a performance standpoint.....if it has some form of baffle it will be better than anything that is just straight through.

If your engine has the stock piston,head, cam, carb....you are not going to get much of any improvement from just a muffler change.

It could change the sound and look however...which isn't always bad as long is it isn't too loud.

This is too big to fit under the bike - but would be fine in the normal position and stock header pipe. I bought a GSXR 1,000 muffler for $ 50 that was a pristine take off and was going to try it....unfortunately they got lazy with the packing and it arrived damaged, so I sent it back. The thin aluminum end caps on those mufflers are easily damaged. The end cap is just held on with rivets and is only cosmetic and can be easily removed if you don't want the shiny look....or could be painted. It is anodized and would not be easy to fix and dents or scratches. The 2013/2014 muffler is a nice sized muffler, looks like it would work well, and cutting and welding an proper sized pipe on the front would be pretty easy. Here are a few that aren't great deals.....I have seen better ones available occasionally.
http://www.ebay.com/itm/2013-2014-SUZUKI-GSXR1000-REAR-EXHAUST-PIPE-MUFFLER-SLIP-ON-CAN-OEM-STOCK-/251931462538?fits=Model%3AGSXR1000&hash=item3aa8490b8a&vxp=mtr

http://www.ebay.com/itm/1574-2013-13-Suzuki-GSXR-1000-Exhaust-Muffler-/301626596915?hash=item463a589e33&vxp=mtr

Title: Re: performace with Sportbike exhaust?
Post by Tucknut on 05/13/15 at 14:41:24

Quote by Dave: "From a performance standpoint.....if it has some form of baffle it will be better than anything that is just straight through."

But will running my Savage without a muffler hurt the engine in any way? I'm not looking for a performance gain, just a loudness gain. ;)

Title: Re: performace with Sportbike exhaust?
Post by justin_o_guy2 on 05/13/15 at 15:35:34

You'll get a performance loss. In cold weather, I've heard that it's possible for the cold air to pass through and cause an exhaust valve to warp if the pipe is short enough to not heat the air enough. I don't know if it's possible.

Title: Re: performace with Sportbike exhaust?
Post by Dave on 05/13/15 at 18:29:24

4A6B7D75706B6A1E0 wrote:

But will running my Savage without a muffler hurt the engine in any way? I'm not looking for a performance gain, just a loudness gain. ;)

You will have a performance loss....it will most likely run poorly at low speeds.

Title: Re: performace with Sportbike exhaust?
Post by justin_o_guy2 on 05/13/15 at 18:39:08

Why not both? Stick a Dyna on it, tune the carb, when the cam chain needs done, stick a cam in,
And if it's not loud enough, record a loud bike on your phone and get some ear buds, or, stick an amplifier and a big speaker on it and it can be obnoxiously loud when there are no cops around, just flip a switch and let everyone enjoy the sound of a Motor.