I have had many WK2s. 6.4s, 5.7s, 3.6s. My wife currently drives a 2020. I just picked up an extremely mint 2012 Laredo 5.7L W/ 75,000 miles. My buddy purchased it from the original owner who took very good care of the vehicle original owner had a Diablo tune on it which I have no idea what it is nor do I have the tuner and a KN CAI. Then my buddy put on a Corsa exhaust I believe cat back. But out of all the 5.7 L I’ve ever owned I’ve never had one so sluggish even at full throttle it’s not what I am used to. Any ideas?
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