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Sinister Diesel

Sinister Diesel Cold Air Intake for 2001-2004 Chevy/GMC Duramax 6.6L LB7 (Dry Filter) - SD-CAI-LB7-DRY

$675.99 $519.99 Save $156.00

SKU: S004 SDCAILB7DRY

In Stock
In Stock
Ships by Jun 19
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Sinister Diesel Cold Air Intake for 2001-2004 Chevy/GMC Duramax 6.6L LB7 V-8 improves throttle response and turbo spool-up with precision CNC mandrel-bent aluminum tubing and an oversized reusable dry cotton filter. It features a polished and powder-coated Signature Sinister Blue finish for durability and aesthetics.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSinister Diesel
Part NumberS004 SDCAILB7DRY

Videos

Mods to do first on a Duramax

Mods to do first on a Duramax
LB7 DURAMAX Intake Heater - Why You Should Delete It

LB7 DURAMAX Intake Heater - Why You Should Delete It
Lb7 update

Lb7 update

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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