Reduced turbo lag, Lower EGT's 80-100 F, Increase fuel mileage 0.2-0.3 mpg, 28-32 hp increase.
No leaks, No warping, No cracking. Thicker manifold flanges and exhaust manifold walls. 100% Made In The USA.
Capitalize on the fuel savings and horsepower gains with our exhaust manifold. Don't take the chance of being stranded on the road from a failed OEM exhaust manifold.
For Freight Liner/ Western Star. Ceramic coated exhaust manifold typically fits years '04.5-'10. Includes turbo studs. Replaces OEM center part# 231-6127.