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MBRP

MBRP 3" Turbo Down Pipe for 04.5-10 GM 2500/3500 Duramax

MBRP 3" Turbo Down Pipe for 04.5-10 GM 2500/3500 Duramax

$229.99 USD
$229.99 USD
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GM8424

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Key Features

  • 3-inch turbo direct down pipe replaces the restrictive factory pipe
  • Full 16-gauge mandrel-bent tubing for maximum exhaust flow
  • High-temperature ceramic coating resists heat and corrosion
  • Helps lower exhaust gas temperatures and backpressure
  • Bolt-on fit between factory turbo and exhaust system
  • Pairs with MBRP cat-back and turbo-back systems
  • Built for the 6.6L LLY, LBZ, and LMM Duramax engines

Get your turbo breathing freely with the MBRP GM8424 3-inch turbo down pipe, engineered for 2004.5-2010 Chevy and GMC Silverado/Sierra 2500HD and 3500HD trucks running the 6.6L Duramax diesel. This turbo direct replacement mounts between the factory turbocharger and your exhaust system to eliminate the restrictive stock down pipe.

Key Benefits

  • Increases exhaust flow off the turbo to reduce backpressure and exhaust gas temperatures
  • Full 16-gauge mandrel-bent tubing maintains a smooth 3-inch diameter through every bend
  • High-temperature ceramic coating resists heat and corrosion for long service life
  • Direct bolt-on replacement for the factory down pipe
  • Supports better turbo spool-up and works with larger cat-back or turbo-back systems

What's Included

  • (1) MBRP 3-inch turbo down pipe (GM8424)
  • Installation instructions

Specifications

  • Pipe diameter: 3 inch
  • Material: aluminized/mandrel-bent steel with high-temp ceramic coating
  • Finish: black ceramic (Armor BLK / Black Series)
  • Type: turbo direct down pipe
  • Engine: 6.6L Duramax diesel (LLY, LBZ, LMM)

Fitment

Fits mid-to-late 2004.5 through 2010 trucks with the 6.6L Duramax. Not intended for early-2004 (LB7) production. Non-CARB; not for sale or use in California.

  • 2004.5-2010 Chevrolet Silverado 2500HD / 3500HD - 6.6L Duramax
  • 2004.5-2010 GMC Sierra 2500HD / 3500HD - 6.6L Duramax

FAQ
Which Duramax engines does it fit?

2004.5-2010 Silverado/Sierra 2500HD and 3500HD with the 6.6L Duramax (LLY, LBZ, LMM). It is not for the early-2004 LB7.

Is it legal in California?

No. This down pipe is non-CARB and is not legal for sale or use in California or other CARB states.

Will it work with a larger exhaust?

Yes. It pairs with MBRP cat-back and turbo-back systems and helps lower EGTs and backpressure.

Vehicle Fitment
Years Make Model Submodel
2004–2010 Chevrolet Silverado 2500HD —
2004–2010 Chevrolet Silverado 3500HD —
2004–2010 GMC Sierra 2500HD —
2004–2010 GMC Sierra 3500HD —

Specifications
weight
8.2 lbs
dimensions
22.2 L × 13.6 W × 8.0 H in

Shipping & Returns

Free shipping on orders $250+ (standard items). Oversized items ship at calculated rates.

30-day returns with RMA required. 15% restocking fee, buyer pays return shipping. Defective items returned free with full refund.

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