GIBSON PERFORMANCE SHORTY 05-13 GM TRUCK/SUV 4.8/5.3GIBSON PERFORMANCE SHORTY HEADERS 2005 2013 GM TRUCK SUV 4. 8 5. 3 GP129S GP129S C CARB EO# D 411 13 Tubing Diameter: 1. 50 in. Stainless 16 gauge mandrel bent tubing. Every Gibson Performance Header is Dyno tuned and engineered to deliver more usable horsepower and torque at low and mid range RPM highway speeds. Improves engine's ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds,

542" 111 LSA

An excellent upgrade for factory L83 (5

but are fighting the width of a smaller frame or engine bay

The unique Beehive™ shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower and durability

Awesome choice for the late model 8L90 equipped GM vehicles looking to maximize boosted performance

you can also order it for naturally-aspirated setups

Includes brake booster mounting kit

050: 236/244

Truck Torque Camshaft Specs (30202111R1): 202/202

as well as stock height and lifted trucks up to a 2" block

Speed Engineering connection pipes are made out of 304 stainless steel

Compatible with 4