My IRS replace almost EVERYTHING and more

[Crowd Hunter]

it doesn't take much. IRS bracing and fill the voids of the IRS/Chassis bushing isn't expensive (parts or labor) and gets most of the benefit. I drove my buds car before and after and the difference was palpable. It was a Magride car and it frankly wasn't very good before, but massively improved afterward. I test drove MR cars several times when looking to buy and it just wasn't much better than non. Even the GT350 was not up to snuff compared to SS/1LE. Had I known fixing the IRS would transform the nature of the car, I would have bought differently.

Ford needs to get their head right. a Mustang is a 'performance' car. Enough with this bullsh*t "sound abatement" that destroys the cars capabilities. If you want quiet go buy a damn nameless 4-door sedan.

You're right. Most people install an exhaust that's louder than any NVH coming from the rear subframe. I'm not sure why they insist on the huge rubber bushings. My rear subframe was so far out of center before installing the alignment kit to center it up. Ford definitely needs to decide if the Mustang is a sports car or not.

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