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2006 - 2007 6.6L GM Duramax LLY / LBZ

MBRP 4" XP Series Downpipe-Back Exhaust - Northwest Diesel
Save 19%

MBRP 4" XP Series Downpipe-Back Exhaust

01 - 07 6.6L GM Duramax (All Crew & Ext. Cabs) Off-Road

MBRP

$864.69
$699.99

S6004409 Rugged and dependable our XP Series is made of T409 stainless steel. It's designed and built to stand up to the harshest road co...

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$864.69
$699.99
Save 19%
MBRP 5" Installer Series Downpipe-Back Exhaust - Northwest Diesel

MBRP 5" Installer Series Downpipe-Back Exhaust

01 - 07 6.6L GM Duramax (All Crew & Ext. Cabs) Off Road

MBRP

$890.00

S60200AL Made of 100% heavy gauge aluminized steel our Installer Series is designed to provide the cost conscious consumer with the same high qu...

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$890.00
MBRP 4" Black Series Downpipe-Back Exhaust - Northwest Diesel

MBRP 4" Black Series Downpipe-Back Exhaust

01 - 07 6.6L GM Duramax (All Crew & Ext. Cabs) Off Road

MBRP

$664.99

S6004BLK Using a high heat coating that is designed specifically for exhaust applications, our new Black Series is sure to turn heads and...

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$664.99
MBRP 4" Installer Series Downpipe-Back Exhaust - Northwest Diesel
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MBRP 4" Installer Series Downpipe-Back Exhaust

01 - 07 6.6L GM Duramax (All Crew & Ext. Cabs) Off Road

MBRP

$691.75
$559.99

S6004AL Made of 100% heavy gauge aluminized steel our Installer Series is designed to provide the cost conscious consumer with the same h...

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$691.75
$559.99
Save 19%
MBRP 4" XP Series Cat-Back Exhaust - Northwest Diesel
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MBRP 4" XP Series Cat-Back Exhaust

06 - 07 6.6L GM Duramax (All Crew & Ext. Cabs)

MBRP

$728.81
$589.99

S6012409 Rugged and dependable our XP Series is made of T409 stainless steel. It's designed and built to stand up to the harshest road co...

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$728.81
$589.99
Save 19%
MBRP 4" Dual XP Series Cat-Back Exhaust - Northwest Diesel

MBRP 4" Dual XP Series Cat-Back Exhaust

06 - 07 6.6L GM Duramax (All Crew & Ext. Cabs)

MBRP

$859.99

S6014409 Rugged and dependable our XP Series is made of T409 stainless steel. It's designed and built to stand up to the harshest road co...

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$859.99
MBRP 4" Installer Series Cat-Back Exhaust - Northwest Diesel

MBRP 4" Installer Series Cat-Back Exhaust

7.5 - 10 6.6L GM Duramax LMM (All Cabs & Beds)

MBRP

$384.99

S6012AL Made of 100% heavy gauge aluminized steel our Installer Series is designed to provide the cost conscious consumer with the same h...

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$384.99
EDGE Products Jammer Cat-Back Exhaust System - Northwest Diesel

EDGE Products Jammer Cat-Back Exhaust System

2002 - 2005 6.6L GM Duramax LB7 LLY
Std. Cab Long Bed
Ext. Cab or Crew Cab Short Bed
Ext. Cab or Crew Cab Long Bed

EDGE Products

from $462.95

27632 / 27633 / 27634 When choosing an exhaust system you're looking for sound, quality, and performance. The new Edge Jammer exhaust does all t...

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from $462.95
EDGE Products Jammer Cat-Back Exhaust System - Northwest Diesel

EDGE Products Jammer Cat-Back Exhaust System

2002 - 2005 6.6L GM Duramax LB7 LLY
Std. Cab Long Bed
Ext. Cab or Crew Cab Short Bed
Ext. Cab or Crew Cab Long Bed

EDGE Products

from $462.95

27632 / 27633 / 27634 When choosing an exhaust system you're looking for sound, quality, and performance. The new Edge Jammer exhaust does all ...

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from $462.95
EDGE Products Jammer Cat-Back Exhaust System - Northwest Diesel

EDGE Products Jammer Cat-Back Exhaust System

2006 - 2007 6.6L GM Duramax LLY LBZ
Crew Cab Short Bed / Crew Cab Long Bed

EDGE Products

from $431.95

27939 / 27941 When choosing an exhaust system you're looking for sound, quality, and performance. The new Edge Jammer exhaust does all that wit...

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from $431.95
Magnaflow 4" Aluminized Cat-Back Pro Exhaust System - Northwest Diesel

Magnaflow 4" Aluminized Cat-Back Pro Exhaust System

2001 - 2007 6.6L GM Duramax LB7 LLY LBZ
All Crew and Ext. Cabs

Magnaflow

$297.85

18931 The Aluminized PRO Series has a limited 1 year warranty with an aluminized muffler and no tip. This allows for some customization wi...

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$297.85
Banks Power Monster Exhaust - Northwest Diesel
Sale

Banks Power Monster Exhaust

06 - 07 6.6L GM Duramax LLY/LBZ

Banks Power

from $489.00

Banks' 4 inch heavy-duty stainless Monster exhaust system cuts backpressure up to 98% and flows up to 176% better than stock. The streamlin...

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from $489.00
Sale
Banks Power Monster Sport Exhaust - Northwest Diesel
Sale

Banks Power Monster Sport Exhaust

06 - 07 6.6L GM Duramax

Banks Power

from $379.00

Improves airflow up to 176%. The system slashes backpressure, increases exhaust flow, improves fuel economy and delivers extra power to you...

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from $379.00
Sale
Banks Power Monster Sport Exhaust - Northwest Diesel
Sale

Banks Power Monster Sport Exhaust

01 - 05 6.6L GM Duramax

Banks Power

from $419.00

Improves airflow up to 176%. The system slashes backpressure, increases exhaust flow, improves fuel economy and delivers extra power to you...

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from $419.00
Sale
Diamond Eye 4" Stainless Catalytic Converter Back Dual - Northwest Diesel

Diamond Eye 4" Stainless Catalytic Converter Back Dual

06 - 07 6.6L GM Duramax

Diamond Eye Performance

$632.06

K4124S Diamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has inv...

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$632.06
Diamond Eye 2.5" Aluminized Cross-Over Pipe - Northwest Diesel

Diamond Eye 2.5" Aluminized Cross-Over Pipe

93 - 00 6.5L GM Chevy 2500/3500

Diamond Eye Performance

$116.92

321040 Diamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has...

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$116.92
BD Diesel Remote Mount 4" Exhaust Brake | 7.5-12 6.7L Cummins w/non-VGT Turbo - Northwest Diesel

BD Diesel Remote Mount 4" Exhaust Brake

2007.5 - 2012 6.7L Cummins w/non-VGT Turbo

BD Diesel

$1,340.00

1027342 There's a reason why the BD Brake is the most widely-recognized diesel exhaust brake in the industry: It's the best! Compare it t...

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$1,340.00
BD Diesel Back Pressure Gauge Kit 160 PSI - Northwest Diesel

BD Diesel Back Pressure Gauge Kit 160 PSI

BD Diesel

$75.95

1030050 The BD Diesel Back Pressure Gauge Kit is designed to aid in the set up of BD Diesel exhaust brake kits.

$75.95