What size adapter do I need for the 3" sd header dp to the exhaust a few inches before the cat ? Ive been everywere and eveyone has diffrwnt sizes. I thought it was 3" to 2.5 but everywere says diffrent
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09-26-2013
What size adapter do I need for the 3" sd header dp to the exhaust a few inches before the cat ? Ive been everywere and eveyone has diffrwnt sizes. I thought it was 3" to 2.5 but everywere says diffrent
09-26-2013
The SD header dp will bolt directly to the factory cat back, if you cut off the flange the stock exhaust is 2.25".
Originally Posted by The Sunfire Guy
09-26-2013
I'm using stock cat and a few inches before it . So the 3" will bolt up to the 2.25? And would a 3 inch to 2.5 reducer work if I usr a band clamp over 2.25. Like 2.5 to 2.25 work ?
09-26-2013
Your thinking way to hard about this.
As long as the exhaust is stock the SD will bolt up to it.
You need 2 2.25" bandclamps
And 2 3" bandclamps
09-26-2013
I think I'm explaining it wrong. I already have the ubend delete . So um not using the 3" one with the ubend delete or the o2 port. So I'm just going from the 3" peivce that bolts up to the flex to the stock piping. Its a .75 diffrenxe ? That won't matter ?
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