Custom expansion chamber

I made this overnight last night, still need to attach the silencer to it, and the rear hanger, inlet is bit too large, i'll rework it as soon as i get some gas for my welder, thing is size of the simonini pipe. Should be fun, fun!

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Re: Custom expansion chamber

#2

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Re: Custom expansion chamber

sweet! how's in work?

Re: Custom expansion chamber

Looks awesome! What kind of pipe dimensions did you fab it after, or did you calculate some?

Re: Custom expansion chamber

it's very close to simonini, expansio. Chamber is slightly larger

Re: Custom expansion chamber

sweetness...

-naz

Re: Custom expansion chamber

cool. looks like it's made of flat lengths welded on egde? so not round, more geometrical? I'd thought about doing that before, but always balked at the quantity of welding involved. I bet it's super loud, even with a silencer... more info, please!

Re: Custom expansion chamber

!!!!HUGE!!!!!

Re: Custom expansion chamber

it's made out of stainless, it's one piece that had been notched for easier folding for each cone.

Re: Custom expansion chamber

y havent u run it yet?

Re: Custom expansion chamber

From what I can see that thing is has a much bigger expansion chamber than the simo. I dig it, looks a lot like some of the dutch kids drag bike pipes.

Way to take initiative, and I'm impressed you decided to make it out of ss. That dwell section looks really long, when dose your powerband hit?

Also you might want to fab up a silencer for that stinger before your neighbors come over in the middle of the night and kill you.

Re: Custom expansion chamber

ya my neighbors haven't killed me but I have killed myself with noise polition , LOL I pissed off the she whole neighbborhood, lol

Re: Custom expansion chamber

Cory (mrdr 133) /

tight my dude! tight!

Re: Custom expansion chamber

that's how my dad wanted to weld pipes, notched to make the cones.

Re: Custom expansion chamber

How's it run?

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Forgot to add, that thing is bad ass!!!

Looks like it took a lot of work to make.

Re: Custom expansion chamber

Runs good, still need to jet it, I have a feeling powerband is sky high, I still have ok bottom end

Re: Custom expansion chamber

i think i should make one out of a milk carton. i think it would cost less to make one. haha

Re: Custom expansion chamber

Here's finished product, i was going to do some tuning, but its bit chilly tonight, hey at least its nice and quiet!

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Re: Custom expansion chamber

Nice work, I'm impressed!

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