aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY

The Large Bore HD Performance Cat-Back exhaust features 4″ 409 stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band-clamps and bayonet style hangers make sure this system installs cleanly and easily. You will see increased performance and lower EGTs from this system. This system does not come with a tip.
Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/o Tip GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY

Fits
Chevrolet Silverado 2500 HD Base 2001 to 2005
Chevrolet Silverado 2500 HD LS 2001 to 2005
Chevrolet Silverado 2500 HD LT 2001 to 2005
Chevrolet Silverado 2500 HD WT 2004 to 2005
Chevrolet Silverado 3500 Base 2001 to 2005
Chevrolet Silverado 3500 LS 2001 to 2005
Chevrolet Silverado 3500 LT 2001 to 2005
Chevrolet Silverado 3500 WT 2004
GMC Sierra 2500 HD Base 2002 to 2005
GMC Sierra 2500 HD SL 2001 to 2002
GMC Sierra 2500 HD SLE 2001 to 2005
GMC Sierra 2500 HD SLT 2001 to 2005
GMC Sierra 2500 HD WT 2003 to 2005
GMC Sierra 3500 Base 2002 to 2005
GMC Sierra 3500 SL 2001 to 2002
GMC Sierra 3500 SLE 2001 to 2005
GMC Sierra 3500 SLT 2001 to 2005
GMC Sierra 3500 WT 2004 to 2005