Bully Dog 85401 Exhaust Manifold, Paccar MX-13 12.9L

Features:

• Reduced turbo lag, Lower EGT's 80-100 F, Increase fuel mileage 0.2-0.3 mpg, 28-32 hp increase.
• Durability No leaks, No warping, No cracking. Thicker manifold flanges and exhaust manifold walls. 100% Made In The USA.
• Cost Savings Capitalize on the fuel savings and horsepower gains with exhaust manifold. Don't take the chance of being stranded on the road from a failed OEM exhaust manifold.

For Kenworth/Peterbilt. Ceramic coated exhaust manifold typically fits years '13-'19.

For more information, please see Data Sheet