![S&B Intake 2004-05 Chevrolet Silverado GMC Sierra V8-6.6L Lly Duramax (Oiled or Dry Filter) S&B Intake 2004-05 Chevrolet Silverado GMC Sierra V8-6.6L Lly Duramax (Oiled or Dry Filter)](https://cdn11.bigcommerce.com/s-5yvdnrf5of/images/stencil/300x300/products/5226/16257/pdp_75-5102_7__66553.1576587549.png?c=1)
Why use cast aluminum?
S&B chose to manufacture our Intake Elbows out of cast aluminum because you need a part that delivers extreme performance without the risk of it bursting in the field. While we too liked the idea of using a composite material to make our elbows, trust us, it's not worth the risk.