ok, this is begging the question. An IRS setup will not allow for the SRA to flex. I could possibly see there being room for the normal up/down movement while the car is on the ground but what happens when you have to jack the car up? The only option I would see would be to unbolt the pipes every time you lifted the car. This would inevitably lead to leaks. I could be wrong but perhaps the flowmaster pipes which are routed for max tire clearance would be a better option but they may not clear a PHB. I run 315 tires on fox axles and I have the stock exhaust but clearance is less than a 1/4" and one day I would like to install a PHB and a torque arm. so going back to dumps may be the only viable option for me.
This is an old thread. And IIRC, he was just talking about using the IRS catback on a car with a SRAPanhard bar and torque arm are for solid rear axle set ups. If you use cobra independent rear suspension you no longer have the need to control movement of the entire axle assembly because the differential is somewhat rigidly mounted to a subframe which is mounted to the chassis of the car. The panhard bar controls the lateral movement of the axle and the torque arm I believe limits the rotation of the axle housing using the leverage of the car itself. On an IRS car this becomes unnecessary because the center section is fixed in it's location by the surrounding frame. I think.
No worries, you're new so it's okay. Welcome to SN btwYeah. Just caught that. It's late. Guess I'm tired.
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