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What are the pros and cons to having a Irs to having the stock rear suspension that comes on the Mach 1's? And if i decide to have irs installed on mine how much trouble is it?
irs WILL BE A SMOOTHER RIDE, BUT DOESNT STAND UP AGAINST ABUSE OF A DRAGSTRIP VERY WELL....it's not to complicated, i could do it in a day with my friends, but im picky and very detailed.