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LLY Duramax Exhaust Brakes


Enhance your 2004.5–2005 LLY Duramax’s towing safety and downhill control with a premium exhaust brake. Designed to reduce brake wear and improve stopping power, these high-quality systems offer reliable performance under load. Ideal for towing, hauling, or mountainous terrain, LLY Duramax exhaust brakes provide smooth, consistent deceleration and unmatched durability. Trust top-rated exhaust brakes to protect your truck and trailer on every haul.

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LB7/LLY Duramax Inline Mount PRXB Exhaust Brake Pacbrake C40075
LB7/LLY Duramax Inline Mount PRXB Exhaust Brake Pacbrake C40075 $1,905.21
Fits: LB7/LLY Duramax 2001-2005 (Automatic )
4 Inch Remote Mount Exhaust Brake BD 1028040
4 Inch Remote Mount Exhaust Brake BD 1028040 $1,485.95
California Restricted
Fits: Universal - For 4 Inch Exhaust Systems
4 Inch Remote Mount Exhaust Brake With Air Compressor BD 1028140
4 Inch Remote Mount Exhaust Brake With Air Compressor BD 1028140 $1,640.95
California Restricted
Fits: Universal - For 4 Inch Exhaust Systems
5 Inch Remote Mount Exhaust Brake BD 1028050
5 Inch Remote Mount Exhaust Brake BD 1028050 $1,485.95
California Restricted
Fits: Universal - For 5 Inch Exhaust Systems
5 Inch Remote Mount Exhaust Brake With Air Compressor BD 1028150
5 Inch Remote Mount Exhaust Brake With Air Compressor BD 1028150 $1,640.95
California Restricted
Fits: Universal - For 5 Inch Exhaust Systems
3.5 inch Remote Mount Exhaust Brake BD 1028035
3.5 inch Remote Mount Exhaust Brake BD 1028035 $1,485.95
California Restricted
Fits: Universal- Fits 3.5 inch Exhaust Systems
3.5 Inch Remote Mount Exhaust Brake With Air Compressor BD 1028135
3.5 Inch Remote Mount Exhaust Brake With Air Compressor BD 1028135 $1,640.95
California Restricted
Fits: Universal - Fits 3.5 Inch Exhaust Systems
Manual Trans Lever Rocker Switch Kit BD 1030900
Manual Trans Lever Rocker Switch Kit BD 1030900 $119.95
Fits: Manual Transmissions With BD-Power Exhaust Brakes
Select Options
Manual Trans Lever Push/Pull Switch Kit BD 1300210
Manual Trans Lever Push/Pull Switch Kit BD 1300210 $80.95
Fits: Manual Transmissions With BD-Power Exhaust Brakes
Select Options
Back Pressure Gauge Kit 160 PSI BD 1030050
Back Pressure Gauge Kit 160 PSI BD 1030050 $83.95
Fits: 160 PSI - For BD-Power Exhaust Brakes
4 Inch Mounting Group Pacbrake C11400
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4 Inch Mounting Group Pacbrake C11400 $185.03
California Restricted
Fits: Universal - For Use On Pacbrake Exhaust Brakes
Exhaust Adapter Pacbrake C11342
Exhaust Adapter Pacbrake C11342 $100.32
California Restricted
Fits: Universal - For Use On Pacbrake Exhaust Brakes
3 Inch Mounting Group Pacbrake C11440
3 Inch Mounting Group Pacbrake C11440 $290.85
Fits: Universal - For Use On Pacbrake Exhaust Brakes
3.5 Inch Mounting Group Pacbrake C11420
3.5 Inch Mounting Group Pacbrake C11420 $246.36
Fits: Fits Pacbrake Exhaust Brakes