New 4-1 exhasts for GS750, 1000
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Yeah I had the race one on the 1100. It seemed like a good pipe. Nicer than a V&H for sure...1980 GS1000G - Sold
1978 GS1000E - Finished!
1980 GS550E - Fixed & given to a friend
1983 GS750ES Special - Sold
2009 KLR 650 - Sold - gone to TX!
1982 GS1100G - Rebuilt and finished. - Sold
2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!
www.parasiticsanalytics.com
TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/Comment
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Hey Dave, Not familiar with the Delkevic pipes, may not be possible for them, but in yrs past I made a few baffles for different 4 into 1 pipes. The longer the inside tube or the smaller the dia. of the inside tube, the more fiberglass could be packed inside them installed. More fiberglass = deeper, quieter tone.1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100Comment
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I'm definitely looking into making an internal baffled insert. The original factory baffle is about 6" long straight-through with perf metal and fibre. I can extend that by a foot or so. Before I bought the megaphone muffler, I'd only bought the downpipes and matched an H-D muffler to them. That wasn't too bad, but the reason I eventually bought the factory mega was to keep it matched the way Delko meant it to be (which was basically pretty bloody rubbish, to be honest).Hey Dave, Not familiar with the Delkevic pipes, may not be possible for them, but in yrs past I made a few baffles for different 4 into 1 pipes. The longer the inside tube or the smaller the dia. of the inside tube, the more fiberglass could be packed inside them installed. More fiberglass = deeper, quieter tone.
I've since welded on a Supertrapp pack of discs to the outlet, which do actually attenuate the noise a bit, but not as much as I want them to.Dave
'79 GS850GN '80 GS850GT
Only a dog knows why a motorcyclist sticks his head out of a car windowComment
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I ran the delkevic 4 into 1 with the straight muffler for a about 2 years. I tossed mine because the stainless would discolor extremely quickly (polishing the headers was a monthly chore) and it’s extremely difficult to keep sealed so popping on decel was problematic. Other than that it sounded pretty good when you’d open it up.Comment
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