American Racing Headers Long System, Catted, 1-3/4" x 3", 1999-06 GM Full Size Truck, 4.8 L & 5.3L

ARH long tube headers long system for the 1999-06 Chevy/GM Truck/SUV 4.8L/5.3L features 304 stainless steel 1 3/4" primaries, 3" merge collectors, and y-pipe along with all the necessary hardware and gaskets for a bolt-on installation.

The 1999-06 Chevy/GM Truck/SUV 4.8L/5.3L American Racing Headers long systems were designed to bolt-on to your factory axle-back or any aftermarket axle-back. Some modification may be required. The American Racing headers require a crossover y-pipe assembly and they are offered with or without converters.

 
Features:

• 100% Made in the USA - Never Outsourced
  
• Made entirely of 304 stainless steel 
  
• 3/8" thick laser-cut flanges for a warp-free seal
  
• Hand-ported TIG welded inlets
  
• Optimized primary tube routing for superior fit and performance
  
• Merge collectors complete with welded scavenger spikes
• Catted systems feature 200 cell, metallic substrate catalytic converters for extreme durability
  

• 2002-06 Avalanche 1500
  
• 2002-06 Tahoe
  
• 2000-06 Suburban 1500
  
• 1999-06 Silverado 1500
  
• 2000-06 Yukon 1500
  
• 2000-06 Yukon XL 1500
  
• 1999-06 Sierra 1500