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  • SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
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SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel-1
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel-2
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel-3
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
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Load image into Gallery viewer, SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel

SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel

2 sold in last 8 hours
SPELAB
SPES08045
Out of stock Many in stock
Downpipe Exhaust
PLEASE NOTE!
$169.99 $119.99
$119.99
SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel
White - $119.99

SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel

This 3" turbocharger downpipe will increase exhaust flow, improving performance.  

Specifications:

Brand Name: SPELAB
Application:  Downpipe Exhaust
Material: Stainless Steel
Surface: Mirror Polish
Type: 3 Inch Downpipe for 2004.5 2005 2006 2007 2008 2009 2010 Chevrolet Silverado & GMC Sierra 2500 & 3500HD LLY LBZ LMM 6.6 Duramax Diesel 

Fitment:

2004.5 2005 2006 2007 2008 2009 2010 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. Will not fit Cab & Chassis trucks.

What does a downpipe do?

The downpipe on your turbocharged vehicle is directing the exhaust gases out of the turbine housing into the exhaust system. An aftermarket downpipe will typically be larger in diameter and either uses a high-flowing catalytic converter or remove the catalytic converter altogether.

By removing the factory downpipe and replacing it with a high flowing unit you are allowing the turbo to more efficiently move gases away from the turbine which creates more power. Since the factory restrictions are now gone you can increase the boost on the vehicle as the factory downpipe is a choking point for performance.

Customer Reviews

Based on 3 reviews
33%
(1)
33%
(1)
0%
(0)
33%
(1)
0%
(0)
J
JOSHUA

Fair product,easy to install.
Paint quality not great. 2 days of driving the paint was gone.

C
Christopher Knippers

SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel

Thanks for the review!!!Very much looking forward to your feedback pictures.

J
John Dalzell
Does The Job

I have an LMM and replaced the up-pipes and the downpipe. The down pipe touches the new up-pipes causing the downpipe to not fully seat on the turbo. The clamp pulled it in but I would think this shouldn't be an issue. Other than that, the up-pipes are solid and look good. The down pipe is a get what you pay for, good enough.

Thanks for the review!!

Customer Reviews

Based on 3 reviews
33%
(1)
33%
(1)
0%
(0)
33%
(1)
0%
(0)
J
JOSHUA

Fair product,easy to install.
Paint quality not great. 2 days of driving the paint was gone.

C
Christopher Knippers

SPELAB 3'' Downpipe Exhaust For 2004.5-2010 LLY LBZ LMM 6.6L Duramax Diesel

Thanks for the review!!!Very much looking forward to your feedback pictures.

J
John Dalzell
Does The Job

I have an LMM and replaced the up-pipes and the downpipe. The down pipe touches the new up-pipes causing the downpipe to not fully seat on the turbo. The clamp pulled it in but I would think this shouldn't be an issue. Other than that, the up-pipes are solid and look good. The down pipe is a get what you pay for, good enough.

Thanks for the review!!

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