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Hey folks,

Just installed a 2.25 borla catback and 4-2-1 header on my auto zetec. at idle my car makes a spitting sound, kinda like a wet fart. has anyone else experienced this? im thinking it might be my stock flex, and ideas?
 

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Most aftermarket catbacks "gurgle" as the engine is spinning down, especially when you get rid of the cat. Its hard to say...I'm sure the stock flexpipe is effecting the exhaust note, it might change if you put a wider flexpipe on, but if its the gurgle I'm talking about it won't...
 

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Are your connections tight?? It sounds like , maybe, a small exhaust leak,
 

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^^^^^^^^^exactly....stock set-ups have a weeper hole to let out condensation that makes that funny sound...idk if the borla has one but if not its a loose contact point somewhere
 
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