stock + K&N drop-in filter RPM Torque hp 2000 2100 2200 47.0 19.7 2300 91.7 40.2 2400 95.6 43.7 2500 97.8 46.6 2600 105.3 52.1 2700 114.9 59.0 2800 121.3 64.7 2900 123.3 68.1 3000 123.3 70.4 3100 124.1 73.2 3200 130.0 79.2 3300 135.6 85.2 3400 140.7 91.1 3500 144.3 96.2 3600 147.1 100.8 3700 149.4 105.2 3800 153.9 111.4 3900 158.3 117.5 4000 163.2 124.3 4100 164.8 128.7 4200 164.2 131.3 4300 161.0 131.8 4400 158.6 132.9 4500 157.9 135.3 4600 159.7 139.9 4700 158.5 141.8 4800 158.5 144.8 4900 159.1 148.4 5000 157.8 150.2 5100 158.2 153.6 5200 156.6 155.0 5300 154.6 156.0 5400 152.0 156.3 5500 149.5 156.6 5600 147.1 156.8 5700 142.5 154.6 5800 137.7 152.1 5900 135.4 152.1 6000 132.5 151.4 6100 127.4 148.0 6200 125.4 148.0 6300 121.4 145.6 6400 115.1 140.2 6500 112.9 139.7 6600 6700 6800 6900 99.1 130.2 7000 94.7 126.2 7100 91.6 123.9 7200 7300 7400