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Gutting The Cat In My R32

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SKYRUPTOR Apprentice

SKYRUPTOR

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Ilegal. Not to mention the HUGE fines the EPA can sting you with.

If you want a loud exhaust get a 3.5" cat back.

I realise it's ILLEGAL...

I'm not looking for loud. I'm looking for un restricted flow.

I will be gettin a 3" split dump pipe and already have a 3" cat back system

R34GTFOUR Mentor

R34GTFOUR

Posted
Posted
Okiday...

Well fanx for da advice.

the stock cat wont cause a HUGE restriction if its in good nick, but if its 100k+ km old then they can become clogged or colasped and then they cause big problems. Most of the time a hiflow cat is more than enough, but if your short on cash heres what you do....

Dont rip the cat out and just smash the guts out, this will make the car sound like crap, if you look how the cat is on the inside you'll see why. Take the cat out, smash the guts out with a pipe and hammer then take it to a dodgy exhaust shop and get them to press in some pipe the same inlet and outlet diameter of the cat. This way the cat will flow as good as a straight piece of pipe, and most people wont have a clue that its been gutted cause it still looks like a cat.

I use to have no cat and only one muffler in my 3SGTE celica and it passed emisson tests...

*i dont condone gutting cuts, i run a cat with all my cars now :happy:

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