Re: Weld On vs Slip On Muffler Question
Yes ses light will be on if you don't put sims in place of rear sensors. This will make your truck run in open loop operation all the time meaning that it will run off a base fuel air mixture and the ecm will not control adjustments. This will affect performance and fuel mileage. Will run better with cats in place if you don't find sims for rear
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1987 Jeep YJ 403hp sbc 653hp on NOS
1998 Chev Z71
2007 Chev Trailblazer SS
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