Overdrive Magazine | Trucking Business News & Owner Operator Info
Issue link: https://read.dmtmag.com/i/85445
CUSTOM RIGS HOW TO Stack swap A bigger, more free-flowing exhaust system can improve power and fuel economy by reducing backpressure. Big shiny pipes do make a rig look good, too, and with parts and a day's labor, you can enjoy both the aesthetic and financial benefits. By Cesar Alvarez | Photos by Bruce W. Smith SHOP NOTES Parts needed: Tools needed: • Floor jacks • Cutting torch • Air tools • Basic hand tools • Anti-seize • Tape measure • Lincoln Chrome 8-inch exhaust kit with Y pipe • 36-inch-long standard 5-inch flexible exhaust pipe • Four 5-inch saddle clamps • 30-inch "shorty" perfor- mance muffler Note: This system and instal- lation are for pre-DPF and '07 and '10 emissions equipment Peterbilts. 1 56 | Overdrive | September 2012 the downpipe to the stacks. Michael Forst of 4 State Trucks (pictured) leaves the stock muffler, stack and elbow together to speed up the dis- assembly process. Remove the entire exhaust system from 2 Remove the cab exhaust stack brackets from the fac- tory corner mounts. The rivets securing the upper bracket will need to be cut off. Forst uses 3M Welding and Spark Deflection paper to protect glass and paint against chips.