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2 1/4 in shorty Slip on's?

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  • 2 1/4 in shorty Slip on's?

    I have what i believe to be a MAC 4-2 exhaust system with turn out mufflers. However I do not care for them, and they don't fit what i wish to do with my bike. I do however plan to use the header pipes if possible. The end of the MAC header pipes measure 2 1/4 inch diameter. Are there and relatively short slip on mufflers with this inlet sizing?
    I've searched through several pages of posts and and haven't really found an answer.
    80 G

  • #2
    Check out this thread: http://www.xs11.com/forum/showthread...exhaust&page=3 ... starting at post #42....
    Fast, Cheap, Reliable... Pick any two

    '78E original owner - resto project
    '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
    '82 XJ rebuild project
    '80SG restified, red SOLD
    '79F parts...
    '81H more parts...

    Other current bikes:
    '93 XL1200 Anniversary Sportster 85RWHP
    '86 XL883/1200 Chopper
    '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
    Cage: '13 Mustang GT/CS with a few 'custom' touches
    Yep, can't leave nuthin' alone...

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    • #3
      If you are cheap like me, you'll learn to like the sound of the Mac turnouts, unless you are prepared to spend $160+ on each muffler from Supertrapp.
      1979 XS1100F
      2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

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      • #4
        oh the sound is fine! It's more about the length of the pipe, and the fact that the PO decided it was a good idea to spray paint them. I want something a bit shorter, ending just past the passenger pegs.

        If i couldn't find anything i was thinking maybe making a muffler with some exhaust tips and a pair of insert baffles.
        like a frankenstein mesh between something like this http://www.smartpartz.com/SPZHK300K.html and something along the lines of this http://www.ebay.com/itm/Wesdon-Exhau...sories&vxp=mtr or some custom cut pipe to be chromed or ceramic coated later.
        80 G

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        • #5
          maybe cheery bomb glass packs? seen them with 2-1/4 inlets, RED tho'
          where are we going, and why are we in this hand basket?
          Iowa the Beautiful Land 1980 XS1100SG

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          • #6
            yeah i just happened upon them. Creative thought trying to escape me. Since we are here what are your thoughts on the Make your own muffler thing? with these twohttp://www.verociousmotorsports.com/...haust-Tip-1558 and http://stores.smartpartz.com/-strse-....00/Detail.bok With these two it would come to around $60-$70 a muffler with mounting brackets but you would have that 2.25 inlet that's hard to find
            edit: that verocious site also has a 18 in tip with the 2.25 inlets 3 in outlets
            Last edited by HolyHarris; 11-25-2012, 11:29 PM.
            80 G

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            • #7
              Originally posted by HolyHarris View Post
              oh the sound is fine! It's more about the length of the pipe, and the fact that the PO decided it was a good idea to spray paint them. I want something a bit shorter, ending just past the passenger pegs.
              >
              Hi John and welcome,
              OK, if the dreaded PO painted the pipes the chrome must be past it's best so you wreck nothing by welding to them?
              Your local equivalent to Canadian Tire stocks short adapters to go between different sizes of exhaust pipe. Weld one on each cut-off end to get down to a size you can find mufflers to slip onto.
              As exhausts, especially mufflers, burn or rust out and replacement systems become more difficult to find; XS owners are being driven to cut'n'weld'n'adapt exhausts just to keep the bikes on the road.
              I got Triumph mufflers on mine.
              Fred Hill, S'toon
              XS11SG with Spirit of America sidecar
              "The Flying Pumpkin"

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