Except Chassis Cab If welded assembly, replace all required parts
Challenge LTW OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
Oval; 8.25 in. x 11.5 in.; 4 in. ID/OD; Shell Length 25 in.; Overall Length 30 in. Ultra Flo Welded System
3.5 in. Offset Inlet/3.5 Offset Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in. Length; 409 Stainless Steel
If welded assembly, replace all required parts
Challenge LTW OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
3.5 in. Offset Inlet/Offset Outlet; Case Dimensions 5 in. x 10 in. x 18 in.; 24 in. Overall Length; Aluminized Steel
3.5 in. Offset In; 3.5 in. Offset Out; 409 Stainless Steel; Moderate Sound
[Gmb208][Pos.7]
For vehicles with the 6.6L engine. This part is located behind the diesel particulate filter (DPF).
Mileage: 52,100 miles
9.62 in. Round; 4.02 in. Center Inlet/4 in. Center Outlet; 23.25 in. Length; 27.5 in. Overall Length; Satin Finish
Browse our selection of quality exhaust muffler parts designed specifically for your GMC Sierra 3500 HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
AT4 · Base · Denali · Pro · SLE · SLT · WT
Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 6.0L · V8 6.6L
Automatic
