Nationwide product support SUMMER20Summer Sale deals live now Free U.S. shipping over $99

Fast USA delivery FREEFree shipping on qualifying orders Tracked delivery

Real specialist support FSPPerformance parts from trusted brands Genuine parts only

Summer sale live nowSALE Grab ongoing Summer Sale deals Limited time only

Delivery & returns

Free USA shipping on qualifying ordersMon–Fri, 9:00 AM–5:30 PM ET

FULL SEND PARTSPerformance without compromise

Wishlist0

American performance collection

wehrli.

Refine your build

Fitment status

Verified vehicle fitment

Universal fit

Fitment review required

Fitment not verified

Supplier availability

In stock

Available from supplier

Department

Product attributes

Special order

Clearance

CARB status

Not CARB approved

Acknowledgement required

No CARB restriction indicated

Product type

Brand

Sort by

Clear

Sale

Wehrli

Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe - Gloss White

$334.65 $345.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe - Gun Metal

$334.65 $345.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe - Illusion Purple

$358.90 $370.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe - WCFab Grey

$358.90 $370.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe - WCFab Red

$358.90 $370.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stage 1 High Flow Intake Kit - NightMute Blue

$1,604.38 $1,654.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stage 2 4in. Intake Kit - Bengal Red

$839.05 $865.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stage 2 4in. Intake Kit - Bronze Chrome

$887.55 $915.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stage 2 4in. Intake Kit - Candy Teal

$887.55 $915.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stage 2 4in. Intake Kit - Illusion Blueberry

$887.55 $915.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stage 2 4in. Intake Kit - Illusion Purple

$887.55 $915.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stage 2 4in. Intake Kit - NightMute Blue

$936.05 $965.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets

$687.73 $709.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets (Passenger Side)

$417.10 $430.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Upper Coolant Pipe - Bengal Red

$155.20 $160.00

Sale

Wehrli

Wehrli 11-16 Duramax LML Upper Coolant Pipe - Bengal Silver

$155.20 $160.00

Sale

Wehrli

Wehrli 11-16 LML Duramax MAP Sensor Aluminum Weld Bung

$29.10 $30.00

Sale

Wehrli

Wehrli 11-16 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit - Bengal Blue

$417.10 $430.00

Sale

Wehrli

Wehrli 11-16 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit - Candy Teal

$441.35 $455.00

Sale

Wehrli

Wehrli 11-16 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit - Gloss White

$417.10 $430.00

Sale

Wehrli

Wehrli 11-16 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit - WCFab Red

$441.35 $455.00

Sale

Wehrli

Wehrli 11-16 LML Duramax Stage 2 High Flow Bundle Kit WCFab Red (Custom)

$2,526.85 $2,605.00

Sale

Wehrli

Wehrli 11-19 Chevrolet 6.6L Duramax Traction Bar Install Kit

$276.45 $285.00

Sale

Wehrli

Wehrli 11-19 Chevy & GMC Duramax ECLB/CCLB 68in. Traction Bar Kit - Gloss White

$969.03 $999.00