9-3 Aero (2004+) exhaust diameter?

"Godspeed11- I own a SAAB" (Godspeed11) 10/17/2013 at 13:01 • Filed to: None

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Does anyone know the stock exhaust diameter on the 9-3 Aero? And what are opinions on an Electric Exhaust Cut-out? I want to put it right before the cat but I don't know how much room there will be and whether or not it can be done. I need to know downpipe diameter and the pipe size after the cat (which I'm pretty certain is smaller.) Thanks if anyone can help.

Party-vi > Godspeed11- I own a SAAB 10/17/2013 at 13:07

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I don't think it'll be an issue of fitment. Also I'm going to guess your exhaust is 2-1/4" or 2-1/2" in diameter.

desertdog5051 > Godspeed11- I own a SAAB 10/17/2013 at 13:12

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Measure the OD with calipers and subtract 1/8 for wall thickness (1/16 for each side.

If you do not have calipers, measure the circumference and divide that by 3.14.

Or, go to a muffler shop and ask them.

Godspeed11- I own a SAAB > Party-vi 10/17/2013 at 13:17

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From what I've been able to find it's both, 2.5 for the down pipe and then 2.25 cat-back

Velocity- Peuguette Connoisseur > Godspeed11- I own a SAAB 10/17/2013 at 13:22

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Just give it stacks bro

Godspeed11- I own a SAAB > Velocity- Peuguette Connoisseur 10/17/2013 at 13:26

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Straight out the hood, over the roof, down the rear hatch, forward over the wheel arches, and out the side footwells of the driver/passenger

Party-vi > Godspeed11- I own a SAAB 10/17/2013 at 13:27

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That sounds about right. anything bigger than 2.5" and you tend to lose torque.

Velocity- Peuguette Connoisseur > Godspeed11- I own a SAAB 10/17/2013 at 13:29

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GMC mafia yo