The irs is split so that each axle coming out of the differntial can bend. Depending on what you plan on using your mustang for an irs or solid rear axle could benefit your setup.
Video Moser Solid Axle Conversion For C5 Corvettes Hooks
Live axle vs irs. There was a period of time when advertisers could brag about a new car having irs and people would call live axle cars stone age but that was all marketing censored not truth. 2 live axle and solid axle are different terms for the same thing which is a solid rear axle running across the car. Independent suspension requires additional engineering effort and expense in development versus a beam or live axle arrangement. The independent rear suspension irs was introduced at atime when modern construction had not created the most ideal roads. Has the same problems as a live axle in regards to the inside tire upsetting the outside. A live axles inherent design makes it perfect for putting the power down efficiently and accelerating in a straight line which is why a comparable car with a live axle will have better.
A very complex irs solution can also result in higher. Live axles actually have some handling advantages over irs believe it or not. Theres a reason drag race cars use live axles and road race cars use irs. Theres no clear answer. The mustang featured an independent rear suspension system in select 1999 2004 svt cobra models and became standard across the board beginning in 2015. Unsprung weight is less than live axle more like irs.
In squat bump behaves like a live axle with no camber change. Mustang irs vs solid rear axles.
Gallery of Live Axle Vs Irs
