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Senior Member
I have a 400ex with a DG exhaust. There is an exhaust leak where the muffler connects to the header. I can't seem to get it real tight. I have used hose clamps, silicon, etc.
Is this okay to have an exhaust leak there, or am I losing a lot of horsepower???
I know on 2 strokes any kind of exhaust leak reduces horsepower.
Senior Member
did it come with a collar....if not...buy one...it should fix it
Senior Member
Good question, Ill be watching this one. I broke a bolt off in my '86 200x(trike) in the top hole and there deffinently is leaking. I don't have much top end it seems, but 1st 2nd and 3rd pull hard.
Someday, I will have a shiny new toy in here.. someday..
FRESHLY REBUILT (Again!)
GO to summit or Jeg's and get a car exhaust clamp. Measure the diameter of your pipes and get it accordingly. You can either get a clamp to clamp down on the outside silencer junction or you can get something called a Lap-Joint clamp which is made for fitting 2 pipes of different diameter together. Ive seen both used with success and theyre cheap too...
-Paul
**Full TC 426cc national kit (rebuilt, back in business)**
-13:1 JE piston, national port+polish, lightened flywheel, port matched carb boot, TC 924 MX cam, TC hi rev CDI, oversize head stud kit, CRF cam chain, Carrillo HD rod, Sparks X-6 exhaust, FST auxillary oil cooler, PEP shocks, Laeger's +3 A-arms, JB Racing +1.25 swingarm, LSR axle, RPM tapered carrier, blue Maier plastic, Quadtech hood, Nacs graphics, seat cover, case saver, bar clamps etc, Renthal CR-Hi bend bars, Arens stem, Pro Design Pro Flow kit w/K&N, Outerwears airbox, snorkel hole + filter covers, RAD locknut, PEP E-Z pull clutch lever, Steel Braided brake lines, Razr MX tires, Douglas rims, Pro Armor nerfs, AC bumper, Rath seat latch, Motion Pro cables, WB e-brake block off, DID X-ring chain, Sidewinder sprockets, probably some more Im forgetting...
R.I.P Kelly Chang
Senior Member
Thanks for the clamp info.
Does anybody know if there is any performance loss due to this exhaust leak??? (between muffler and header/pipe)
Somebody has to know.....
Senior Member
if its just a little leak...probably not
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