Gutting cats???

[Big Lee M]

Right i have just got hold of some old ABY cats and i was woundering which is the best was to gut them? These will be fitted along with a RS2 down pipe i got my hands on:mischeif:

Cheers in advance Lee

[4WheelDrifter]

I used a cold chisel on mine. Just ram it up it's pipe.

[Big Lee M]

I had a look at them last night and they look solid i'm guessing it takes a bit of force?

[spink]

yes they are pretty hard,I use a 15-20mm diameter-12'' long drill and drill through it all a few times then smash the pieces out.Wear a mask.And remember the stuff you take out is worth £££ so don't bin it.

[fish]

Cut the top (with the top i men the part up against the floor) open with an anglegrinder, then take all the muck out of them, then weld them shut again.

[Henkjan]

before you shut them, weld in a pipe of sufficient diameter, otherwise you'll have much more backpressure due to the expansion & contraction of the gas in the empty space of the cats and you don't gain anything

[fish]

ooooops, sorry. forgot to mention that part=) was abit tired when i posted...

[Rusty]

Better to use them as a template, cut off the flanges and get some pipe welded to suit, unless you want it to 'look' as if there's a cat. In that case, as per fish & Henkjan sugest Don't want an expansion chamber for no reason IMO.