Mismatched Exhaust Parts

[RantMachine]

A certain plonker has purchased a set of downpipes (Arrow) for his bike (Z1000SX) that end in the same diameter as his silencers (Scorpion) start. Misleading information on t' web is to blame, I'm told. Any suggestions for a good bodge before a local exhaust fabricator laughs all the way to the bank? My favourite idea so far involves a saw, a bit of steel tube, and a couple of exhaust gaskets and clamps. Perhaps not appropiate for a bike that costs twice as much as both mine put together

[Westbeef]

Should the tubes fit inside each other or are they meant to be coupled?

[RantMachine]

Meant to fit inside each other

[Westbeef]

Is the difference quite large or minimal? If it's pretty close you might be able to get them in by taking some off with some wet & dry.

[RantMachine]

The difference is the thickness of the pipe

[JRH]

stuff a solid bar up the silencer inlet and roll it round the pipe with force and "swage" the pipe out. this should / may enlarge the entrance enough to force the down pipes in. if you can get it big enough cut a slot in the silences pipe and us an exhaust clamp and exhaust putty to finish off.

Done this loads of times years ago on car exhausts, but they were generally mild steel not stainless.

[RantMachine]

Nice, I'll suggest both options tonight and see if he likes the sound of either. Depends on the quote from the fabricator, I imagine

[JRH]

Fabricated will look better.

[Westbeef]

I seee, what's stopping him just clamping the two ends together with something to seal them without chopping them up, the mounting point for the silencer?

[RantMachine]

That was my initial thought, but it puts too much distance between them and the silencers end up at a funny angle, stops the panniers mounting. Either needs some overlap or a bit less length in the mix!

[JRH]

[mention]RantMachine[/mention] found this.

http://www.demon-tweeks.co.uk/Product.do?method=view&n=1871&g=244001&p=99416&d=124&c=4&l=2&utm_source=Google&utm_medium=Base&utm_campaign=Universal%20Exhaust%20Parts&gclid=Cj0KEQjw1ufKBRDYrqLzrY3dy88BEiQAPI_r4Q52OJ-UUUBkCRQrQX_qdDactlHSMHqWAKZoFe4A_kcaAnY28P8HAQ

[JRH]

[mention]RantMachine[/mention] might need to trim the pipes though on reading your last post.

[RantMachine]

Nice, that looks spot on! I've forwarded the link over so he can order one sharpish

[fredc]

how about one of these

http://www.ebay.co.uk/itm/Exhaust-Expander-Tail-Pipe-Tailpipe-Tube-Dent-Remover-1-1-8-1-3-4-29-44mm-/272003953865?hash=item3f54b2f4c9:g:jYcAAOSwAO9ZUVMG

to expand one pipe to fit round the other

[RantMachine]

Ooh, that's a cool gizmo. I'll forward that on too.

[fastbob]

Some car exhaust fitters have a machine that bends and swages pipe. I'd probably swage the cheapest bit just in case. This place has such a machine.http://i.imgur.com/wgblTOB.png