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Cruisers - America, Speedmaster Cruiser chat for America and Speedmasters

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Old 11-15-2012, 12:20 PM   #1 (permalink)
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Emgo Dunstall Replica on a 2011 Speedy?

Bought a 2011 Speedmaster last year. Had the dealer put on the short TOR's and remap EFI a couple of weeks after I bought it.

I'm not real happy with the sound. A bit too high pitched for my taste and really sounds like a four stroke dirt bike.

I've been listening to some of the youtube posts featuring the Emgo Dunstall replicas and that's the deeper rumble that I'm looking for.

I found them on clearance sale at JC Whitney for $35 a piece with free shipping and no tax. What a deal.

They arrived yesterday. They look to be of pretty good quality and look very nice. But, right off the bat you can tell that there's going to be a slight mounting problem on a Speedy. There's a track welded to the side of the muffler that a bolt rides in. This bolt attaches a chromed 7" long metal flat bar to the muffler. The other end of this bar attaches to the frame. The problem is that the rail that's welded to the muffler is too far forward and so on the right side the chrome bar won't clear the sprocket cover.

However, that's a problem that's easily overcome by simply fabricating another flat bar which will mount to the track with two bolts and run along the length of the muffler rearward about four inches and then attach to the chrome bar.

Something to keep in mind when ordering the Emgo Dunstall Replicas.

Now, to my question...

Since I've had the short TOR's already installed and the EFI mapped for the TOR's will the EFI need to be remapped again for the Emgos?

I thought the whole idea for EFI was that it automatically adjusts the air/fuel mixture.

What exactly does the dealer do when the remap an EFI?

Any opinions and explanations will be much appreciated.
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Old 11-15-2012, 05:12 PM   #2 (permalink)
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Don't waste your money on the crappy budget pipes. Get something with some quality. The British Customs pipes are top notch. I had the cocktail shakers on my '11 Speedy. They were awesome. However, I only kept that Speedy for a year and traded up to the T-bird.

Here's a link to my old Speedy with the BC Cocktail Shakers:

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Old 11-15-2012, 07:21 PM   #3 (permalink)
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Quote:
Originally Posted by Gryphaen View Post
Now, to my question...

Since I've had the short TOR's already installed and the EFI mapped for the TOR's will the EFI need to be remapped again for the Emgos?

I thought the whole idea for EFI was that it automatically adjusts the air/fuel mixture.
You really only have 2 map choices of "factory" type maps. The stock exhaust map and the TOR/after market map. Several versions of each with minor differences for fuel or ethanol content but still really stock or TOR maps. A custom tune is an option but just changing exhaust wouldn't justify the cost in my case. TOR tune should be fine.
Yes the EFI can automatically adjust for some things. It's just not as smart as we would like it to be
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Old 11-15-2012, 11:03 PM   #4 (permalink)
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MattyMo, thanks for answering my question. Appreciate it.
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Old 12-09-2012, 12:20 PM   #5 (permalink)
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Well, the Emgo universal Dusntall replicas are a bust. They're not all that universal. They won't fit the 1 3/4" header pipes of the Speedmaster. I ended up springing for a set of Epco speedmaster slashcut pipes. Got them from Accessories International on eBay for for $439 with free shipping. A bit less than what British Customs sells them for. I read in one of the other threads that Epco's sold on eBay are seconds. The ones I got from Accessories International are positively not seconds. They're flawless and come shipped in a heavy duty woven nylon bag with a fancy gold drawstring.

The sound of the Epco's is awesome. A very deep rumble and only slightly louder than the short TOR's I had on the bike to start with. I'm totally happy with the Epco's.

Anyone need a pair of short TOR's cheap??
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Old 12-09-2012, 12:26 PM   #6 (permalink)
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Good choice with Epco they great pipes
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Old 12-09-2012, 12:51 PM   #7 (permalink)
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I have 4 of the Emgo Dunstall replicas on my CB750, they sound great, but they are really cheap and rust quickly. But I only paid $850 for the bike, I wasn't about to pay $1200 for repro originals, so they're fine.
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Old 12-10-2012, 12:55 AM   #8 (permalink)
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If I could have made the Emgo's work on my Speedmaster, I'd have used them. At the price I paid for them it wouldn't have bothered me to replace them every few years. Assuming, I was satisfied with the sound, of course. As it turns out, I gave the Emgo's to a friend for his Shadow 750. So, no big loss.
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