2021 Chevy Silverado Long Tube HEADERS 1 3 4 Vs 1 7 8 Headers
1-3/4 vs. 1-7/8. Swapped ARH 1-3/4" LT headers with 3" y-pipe outlet to ARH 1-7/8" LT headers with 4" y-pipe outlet24rwhp gain!! Before: 2008-2022 HEMI Challenger JBA 1-7/8-Inch Long Tube Headers Review Where do you want your power and what are your mods, if your close to stock the the 1 3/4 will give you more low down torque, the 7/8s will free LET'S TALK TECH-LONG TUBE HEADERS-WHY ARE 1 7/8-INCH HEADERS BETTER THAN 1 3/4-INCH DO LONG TUBE HEADERS ADD HP? 1 3/4 vs 1 7/8 HEADER TEST. WHAT MAKES MORE POWER ON AN LS? BONUS TEST ...