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2011-2014 Mustangs
Exhaust
Cat deletes without a tune?
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<blockquote data-quote="JasinEdward" data-source="post: 13484667" data-attributes="member: 153097"><p>What I did prior to tuning was to add risers.... I bought 2 packs of anti-foulers for spark plugs. I used a 1/2 inch drill bit to hollow 2 out of 4 of them. Then I put the hollowed one in the un-hollowed one, then the rear o2 sensor in the hollowed one. It made one big stack..... This fools the ecu into thinking the correct amount of exhaust is hitting the sensor and keeps the check engine light from coming on... It will still work fine once you tune it too....</p></blockquote><p></p>
[QUOTE="JasinEdward, post: 13484667, member: 153097"] What I did prior to tuning was to add risers.... I bought 2 packs of anti-foulers for spark plugs. I used a 1/2 inch drill bit to hollow 2 out of 4 of them. Then I put the hollowed one in the un-hollowed one, then the rear o2 sensor in the hollowed one. It made one big stack..... This fools the ecu into thinking the correct amount of exhaust is hitting the sensor and keeps the check engine light from coming on... It will still work fine once you tune it too.... [/QUOTE]
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Exhaust
Cat deletes without a tune?
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