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Duramax LB7 Turbo Downpipes

LB7 Duramax Downpipes 2001-2004 


Whether you're looking for a stainless, Pro Series or Downpipe exhaust system, or a simple and affordable single outlet aluminized system, you can be absolutely assured that you'll never have an exhaust install as easily as these companies. No matter which system you are after, you can rest easy knowing you've made the right decision with Toxic Diesel Performance and it's manufactures.

Diamond Eye Performance 

Diamond Eye Duramax 3" Downpipe 
Diamond Eye Performance has developed a Down pipe for the 2001 - Early 2004 Chevy/GM LB7 Duramax diesel exhaust systems. It features a CNC machined turbo connection flange for precise fit, 3" mandrel bent aluminized tubing for smoother flow from the turbo and is wrapped with "Thermo-Tec" exhaust insulating header wrap for reduced EGT's. Incorporate this with one of our "Quiet Tone" exhaust systems for maximum exhaust flow and performance from the "World's Toughest Diesel Exhaust."
LB7 Duramax Downpipe PN/321055 years 2001-2004 $251.00



MBRP Exahust Systems 

MBRP Duramax 3" Downpipe 
Now Duramax LLY/LBZ/LMM owners have the ability of connecting the turbo and aftermarket down-pipe back exhaust system by removing the restrictive stock pipe pictured below. The MBRP down pipe provides a smoother flow from the turbo resulting in lower EGT’s and increased performance. The down pipe is a relatively easy install due to the precision bends that you’ve come to expect from MBRP.
LB7 Duramax Downpipe PN/GM8424 years 2001-2004 $164.00

Magnaflow Exhaust Systems

Magnaflow Exhaust Systems
The Magnaflow 15398 Turbo Outlet Downpipe for your 01-04 LB7 Duramax is built from 3" mandrel bent stainless steel & features a durable high temp thermal coating. A fiberglass based heat wrap is also used to provide further insulation from the passenger compartment and firewall due to the closer proximity of the larger, higher flowing pipe. 
LB7 Duramax Downpipe PN/15398 years 2001-2004 $145.00


PPE Diesel Stainless Steel 

Pacific Performance Engineering (PPE Diesel)
Pacific Performance Engineering 2001-2004 GM 6.6L Duramax 3 Inch LB7 Stainless Downpipe. The PPE 117000400 3" Stainless Steel Downpipe for your 01-04 GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe. Spiral wrapped with titanium woven thread for superior heat that's held in place with stainless steel clamps.
LB7 Duramax Downpipe PN/11700400 years 2001-2004 $215.00


Sometime is hard to make a decision on a diesel downpipe, So we made it for your, make a choice and find the downpipe that fits your needs or your wallet price range from cheap to expensive. Duramax Diesel Performance Downpipes.


Toxic Diesel Performance 
Diamond Eye Performance
Magnaflow Exhaust Systems
MBRP Exhaust Systems
Pacific Performance Engineering 






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