M4 Street Slayer FITTED w/Pics - Honda CBR250R Forum : Honda CBR 250 Forums
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post #1 of 58 Old 09-15-2011, 08:08 AM Thread Starter
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M4 Street Slayer FITTED w/Pics

Here we go CBR'ers

One M4 Fitted to my CBR with an arrow front pipe.

Exhaust


Arrow pipe fitted


Mounting bracket for the M4.

The give you a longer bolt for the lower rear set bolt, and a nut to suit, You fit the longer bolt and it sticks out the back of the frame.

You then fit the bracket onto that and hold it with a nut.


Easy as PIE!

Ultra high temp Anti seize lubricant fitted, Rated around 2000deg C Its used on aircraft parts, I work on aircraft


Remember the loctite and some exhaust cement for the header pipe



Tighten it all up and BAM







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post #2 of 58 Old 09-15-2011, 08:08 AM Thread Starter
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What does it sound like?!?!?!

...............

With Silencer

With out Silencer

My brother taking it for a quick squirt around the block.

All I can say, is that it worked well out of the box, no ECU reset needed at all, feels like its picked up a nice little bit

With out the silencer is is AS LOUD AS ****! Really ludicrously loud! Ride with ear plug loud.

I will be reinstalling the silencer, which is well designed, Its got a fixed plate in the middle to force air into the packing.

Last edited by Macca; 09-15-2011 at 08:13 AM.
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post #3 of 58 Old 09-15-2011, 08:33 AM
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Thanks Macca very informative.

The vid with your brother going for a squirt was without the M4 silencer?
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post #4 of 58 Old 09-15-2011, 09:50 AM Thread Starter
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Correct without the Silencer.
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post #5 of 58 Old 09-15-2011, 02:05 PM
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Very cool Macca! I just installed my M4 SS last night on the stock head pipe.

I snapped the bolt that held the stock exhaust clamp. Cheap bolt + high heat = low torque sheer. Easy enough to replace with a higher quality bolt if I ever put the stock exhaust back on. I also had to cut/tear the muffler tape in the joint between the stock exhaust and head pipe. Found that it wasn't needed with the M4 SS.

WOW!!! What a difference in sound. No more sneaking up on people or cars, even at idle. Even with my Shoei RF-1100 on it is loud. I love the deep almost-hollow woop, woop, woop at idle, the growl under acceleration and the engine breaking sound that I just can't describe right now.

I just bolted it on and started riding. No ECU reset or anything. Seems to pull a bit more freely from 7K to redline. Haven't tried to hit top speed yet. It was a little too cold this morning at 36 F. / 2.2 C. The idle revved up to 3K this morning right after I started her up. A quick twist of the throttle calmed it down to 2K and then it settled down at 1.5K where it should be. I guess I may need to do the ECU reset, but I'll let it go for a little while longer to see if and how much it adjusts itself.

I want to take off the passenger brackets like you did, but I think I'll order some fillers before I take them off. Wish there was something on the market that would fill the holes and also give some protection to the rear brake reservoir.


Cheers Mate!




~Drew
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post #6 of 58 Old 09-15-2011, 02:27 PM
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Thank you for the ride-by video. That pretty much sold me!
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post #7 of 58 Old 09-15-2011, 05:15 PM
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sounds very nice. what rear seat cowl was that?
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post #8 of 58 Old 09-15-2011, 05:53 PM
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m4

COOL it looks greatfits right in with the size of the bike.glade TO SEE THAT NO RESET WAS NEEDED.

Last edited by woolf; 09-15-2011 at 05:56 PM.
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post #9 of 58 Old 09-15-2011, 06:43 PM
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Quote:
Originally Posted by RVOKNIO View Post

I want to take off the passenger brackets like you did, but I think I'll order some fillers before I take them off. Wish there was something on the market that would fill the holes and also give some protection to the rear brake reservoir.

I shaped up a cover out of a plate of aluminum to protect my brake reservoir that turned out really nice. I'll get some pictures and post them.

I replaced my stock exhaust (I was just running a straight pipe) to ride around town and removed my cover plate, so I won't have any pictures of it on the bike.

It was very easy to do, just take a square plate, large enough to cover both holes, cut a slight slope into it, round the edges with a file, drill the holes, then put the mounting edge into a vice and give it a small bend. I used a piece of aluminum from an old car intake tube, flattened it out and cut it to shape. It was very sturdy and looked almost factory.
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post #10 of 58 Old 09-15-2011, 08:11 PM
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very smart looking.
what is the red canister opposite side of the brake reservior?
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