---tab Description--- Description Stop Waiting for Your Factory Pipes to Blow. Bulletproof Your L5P. The 2017-2019 6.6L L5P Duramax is an absolute towing monster, but its factory intercooler plumbing…
TL;DR: ---tab Description--- Description Stop Waiting for Your Factory Pipes to Blow. Bulletproof Your L5P. The 2017-2019 6.6L L5P Duramax is an absolute towing monster, but its factory intercooler plumbing is a major weak link. The OEM hot side pipe bottlenecks down to a restrictive 2.5 inches, starving y…
