2006-2007 GM 2500HD/3500HD 6.6L LBZ Duramax Downpipes

If you're looking for more power, upgrading the restrictive factory downpipes on your 2006-2007 GM 6.6L Duramax should be a top priority. Our selection of downpipe kits is an easy way to give your 2500HD/3500HD a more aggressive exhaust note while boosting power, torque, and fuel efficiency. These kits also help reduce EGTs, keeping your truck's temperatures under control during high-performance use. Explore our full range of downpipes to find the perfect fit for your GM truck, and start showing off your performance upgrades with confidence. Pair your high-performing downpipe with our selection of Single-Exit Exhaust or Dual-Exit Exhaust. GM Duramax Fitments: 2006, 2007 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2006-2007 6.6L LBZ
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PPE 117000500 3 inch Stainless Steel Downpipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 117000500 3 inch Stainless Steel Downpipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 117000500 3 inch Stainless Steel Downpipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE117000500
Sale price
$134.99
Regular price
$149.99
PPE 117000360 Gasket for Lower Downpipe Flange | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 117000360 Gasket for Lower Downpipe Flange | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 117000360 Gasket for Lower Downpipe Flange | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE117000360
Price
$6.29
PPE 116110510 Down-Pipe Support Bracket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116110510 Down-Pipe Support Bracket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116110510 Down-Pipe Support Bracket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116110510
Price
$22.49
PPE 116110505 Down-Pipe Support Bracket for OEM Length Up-Pipes | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116110505 Down-Pipe Support Bracket for OEM Length Up-Pipes | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116110505 Down-Pipe Support Bracket for OEM Length Up-Pipes | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116110505
Price
$31.49
MBRP GMCA424 3 inch CARB Approved Turbo Down Pipe | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
MBRP GMCA424 3 inch CARB Approved Turbo Down Pipe | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

MBRP Exhaust

MBRP GMCA424 3 inch CARB Approved Turbo Down Pipe | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MBRGMCA424
Price
$224.99
MBRP GM8424 3 inch Black Series Down Pipe | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
MBRP GM8424 3 inch Black Series Down Pipe | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

MBRP Exhaust

MBRP GM8424 3 inch Black Series Down Pipe | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MBRGM8424
Price
$229.99
Merchant 11611439 Exhaust Downpipe V-Band | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 11611439 Exhaust Downpipe V-Band | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 11611439 Exhaust Downpipe V-Band | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT11611439
Price
$89.93
Wehrli 1007033 Stainless Down Pipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY/LBZ/LMM
Wehrli 1007033 Stainless Down Pipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY/LBZ/LMM

Wehrli Custom Fab

Wehrli 1007033 Stainless Down Pipe | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY/LBZ/LMM

SKU: WCF100703
Price
$241.53
Wehrli 100120 3 inch Down Pipe | 2004.5-2010 Duramax LLY/LBZ/LMM
Wehrli 100120 3 inch Down Pipe | 2004.5-2010 Duramax LLY/LBZ/LMM

Wehrli Custom Fab

Wehrli 100120 3 inch Down Pipe | 2004.5-2010 Duramax LLY/LBZ/LMM

SKU: WCF100120
Price
$189.15
MagnaFlow 15399 Diesel Turbo Downpipe | 2001-2004 Sierra 2500HD/3500HD
MagnaFlow 15399 Diesel Turbo Downpipe | 2001-2004 Sierra 2500HD/3500HD

Magnaflow Exhaust Products

MagnaFlow 15399 Diesel Turbo Downpipe | 2001-2004 Sierra 2500HD/3500HD

SKU: MFL15399
Price
$187
Diamond Eye 321056 3 inch Turbo Down Pipe CARB Exempt | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Diamond Eye 321056 3 inch Turbo Down Pipe CARB Exempt | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Diamond Eye Performance

Diamond Eye 321056 3 inch Turbo Down Pipe CARB Exempt | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: DEM321056
Sale price
$211.42
Regular price
$400.40

2006-2007 6.6L Silverado & Sierra 2500HD/3500HD

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