Cat Back Single Aluminized 4 Inch Exhaust with OEM 4 Bolt Flange, 2001-2007 GM 6.6L Duramax LB7 LLY LBZ
Cat Back Single Aluminized 4 Inch Exhaust with OEM 4 Bolt Flange, 2001-2007 GM 6.6L Duramax LB7 LLY LBZ is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
Cat Back Single Aluminized 4 Inch Exhaust with OEM 4 Bolt Flange, 2...
Cat Back Single Aluminized 4 Inch Exhaust with OEM 4 Bolt Flange, 2001-2007 GM 6.6L Duramax LB7 LLY LBZ is backordered and will ship as soon as it is back in stock.
Description
Description
Cat Back Single Aluminized 4 Inch Exhaust with OEM 4 Bolt Flange
For 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM 6.6L Duramax LB7 LLY LBZ
Constructed out of 16 gauge aluminized steel, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs, and amplified air flow.
Ease of installation
Contour Bent Hangers
TorcTite Clamps
Retains for Cat for Emissions
OEM Style 4 Bolt Flange
No Bungs
Fits Cab/Box Configurations: EC-CC/SB-LB-Dually
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: 431110
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Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
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