Doppler exhaust ball joint technology

Does anyone know if you are supposed to have a washer in the ball joint that restricts the flow maybe for backpressure? let me know if i can remove it or something because it doesnt make sense to me.

Re: Doppler exhaust ball joint technology

remove it.

Re: Doppler exhaust ball joint technology

Remove it! It's a prank on the french populace.

Re: Doppler exhaust ball joint technology

speed hole.... for the little guy

Re: Doppler exhaust ball joint technology

yes, to match the speed holes in your piston

Re: Doppler exhaust ball joint technology

so take it out or leave it?

Re: Doppler exhaust ball joint technology

uh, they told you like 2 times: take it out. it's a homologation restriction. total shit. one hit with a chisel and you get super expansion chamber radness.

Re: Doppler exhaust ball joint technology

yeah, its in there to make sure your Doppler pipe runs the same as a stock pipe, because otherwise it would be illegal to sell in France.

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