The WCFab LB7 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2001-2004 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing turbo inlet on the market. Replaces the restrictive OEM turbo mouthpiece to provide increased airflow to your turbocharger for improved engine performance and throttle response. Compatible with factory IHI Turbo or upgraded drop in IHI Turbos and aftermarket intakes. Great upgrade offering quicker spool up and more HP! Max-effort tuned trucks can see 10-15 HP gains while applications with upgraded turbochargers can experience as much as 20 HP improvements. Custom powder coated in the color of your choice. Made in USA! Pair it with our 4" Cold Air Intake Kits and Stage 1 High Flow Bundle Kits along with custom performance tuning and drop in performance turbochargers for maximum performance gains. - - NOT COMPATIBLE WITH OEM INTAKE - - Fitment Note: Works with performance aftermarket intake systems utilizing a 4" Boot Connection with bead roll, like our 4" Intake Kits. Will your 3rd party intake be compatible? If the rubber / silicone connection of your current air intake is molded into the intake pipe / is not removable, that intake will not work / fit with this product. - - Supersedes WCF100342
This Part Fits:
Year
Make
Model
Submodel
2001-2004
Chevrolet
Silverado 2500 HD
Base
2001-2004
Chevrolet
Silverado 2500 HD
LS
2001-2004
Chevrolet
Silverado 2500 HD
LT
2004
Chevrolet
Silverado 2500 HD
WT
2001-2004
Chevrolet
Silverado 3500
Base
2001-2004
Chevrolet
Silverado 3500
LS
2001-2004
Chevrolet
Silverado 3500
LT
2004
Chevrolet
Silverado 3500
WT
2002-2004
GMC
Sierra 2500 HD
Base
2001-2002
GMC
Sierra 2500 HD
SL
2001-2004
GMC
Sierra 2500 HD
SLE
2001-2004
GMC
Sierra 2500 HD
SLT
2003-2004
GMC
Sierra 2500 HD
WT
2002-2004
GMC
Sierra 3500
Base
2001-2002
GMC
Sierra 3500
SL
2001-2004
GMC
Sierra 3500
SLE
2001-2004
GMC
Sierra 3500
SLT
2004
GMC
Sierra 3500
WT
Any questions?
Address frequently asked questions about this product to minimize any concerns or uncertainties that might deter a customer from making a purchase.
Does it come with a warranty?
Any products listed will have a warranty provided by the manufacturer only. Stealth Diesel is not liable for any warranty. We can assist in warranty claims but we do not provide warranty on items we dont manufacturer. Most products have a 1 year warranty. For more information on warranty, reach out to us or the manufacturer for specific warranty details.
What happens if I have an issue?
We recommend reaching out directly to the manufacturer, but we are availble to assist with any issues or concerns for troubleshooting.
How fast is shipping?
Free ground shipping will be UPS ground, typically 5-7 business days or sooner. Expidited shipping is available on in stock products only.
What's the returns policy?
Most items are returnable unopened within 30 days of purchase. A stocking fee of 20% will be deducted for all returns. Items that are non-refundable are special order, custom made, powder coated, electrical or oversize items. Return shipping is at the expense of the buyer.
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