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stateofidleness · 01-16-2011, 02:38 PM

So I'm curious...
I've had a "ticking" exhaust leak for some time.. i haven't had time to get in to the shop to get it diagnosed/smoked and partly because I'm scared he'll say "it's at the manifold".. so, it's been put off for a long time.

Occasionally, usually in foul weather (cold or wet), it'll throw 1 or 2 codes (Secondary Air Injection system blah blah). I reset them and go on about my business.

I've been told that after some time, this could lead to fouled/damaged cats. Now, while I've been lusting for cat bypass pipes, I'm thinking, let's say my cats ARE damaged, why would someone replace heavy expensive cats when they could get some bypass pipes for around the same price and possibly increase power a little bit?

side note: how hard is it to change the manifold if the leak is there?

second side note: what are the available bypass pipe sets? I've seen schnell (who I've had good luck with for other parts), and fabspeed (which seem pricey)

01-16-2011, 02:38 PM	#1
stateofidleness Registered User Join Date: Oct 2008 Location: Canyon Lake, Texas Posts: 801	Failed Cat = Bypass pipes? So I'm curious... I've had a "ticking" exhaust leak for some time.. i haven't had time to get in to the shop to get it diagnosed/smoked and partly because I'm scared he'll say "it's at the manifold".. so, it's been put off for a long time. Occasionally, usually in foul weather (cold or wet), it'll throw 1 or 2 codes (Secondary Air Injection system blah blah). I reset them and go on about my business. I've been told that after some time, this could lead to fouled/damaged cats. Now, while I've been lusting for cat bypass pipes, I'm thinking, let's say my cats ARE damaged, why would someone replace heavy expensive cats when they could get some bypass pipes for around the same price and possibly increase power a little bit? side note: how hard is it to change the manifold if the leak is there? second side note: what are the available bypass pipe sets? I've seen schnell (who I've had good luck with for other parts), and fabspeed (which seem pricey) Last edited by stateofidleness; 01-16-2011 at 02:44 PM.