stock + K&N drop-in filter RPM Torque hp 2000 2100 82.9 33.2 2200 91.5 38.3 2300 97.2 42.6 2400 102.0 46.6 2500 109.3 52.0 2600 114.5 56.7 2700 118.9 61.1 2800 121.4 64.7 2900 122.9 67.9 3000 125.9 71.9 3100 126.7 74.8 3200 131.6 80.2 3300 138.5 87.0 3400 143.0 92.6 3500 147.0 97.9 3600 149.1 102.2 3700 152.4 107.4 3800 154.9 112.1 3900 158.4 117.6 4000 163.0 124.2 4100 163.5 127.7 4200 163.0 130.3 4300 162.3 132.9 4400 161.3 135.1 4500 161.0 137.9 4600 160.5 140.6 4700 159.1 142.4 4800 160.7 146.9 4900 159.2 148.5 5000 159.3 151.7 5100 158.8 154.2 5200 157.6 156.0 5300 155.2 156.6 5400 152.5 156.8 5500 151.4 158.6 5600 148.2 158.0 5700 143.4 155.6 5800 140.0 154.6 5900 136.3 153.1 6000 132.6 151.5 6100 127.9 148.5 6200 122.9 145.1 6300 119.6 143.4 6400 115.7 141.0 6500 6600 6700 6800 100.8 130.6 6900 97.7 128.0 7000 7100 7200 7300 7400