6.6L Duramax Turbo Up-Pipes Kit - Driver & Passenger Side for 2001-2016 Chevy Silverado GMC Sierra | XKV Racing

Name: 6.6L Duramax Turbo Up-Pipes Kit - Driver & Passenger Side for 2001-2016 Chevy Silverado GMC Sierra | XKV Racing
Brand: XKVracing
SKU: XKV31052
Price: 145.07 USD
Availability: InStock

SKU: XKV31052

Availability : In Stock Pre order Out of stock

Fitment & Specs

For Chevrolet Silverado and GMC Sierra 6.6L Duramax Diesel LB7, LLY, LBZ, LMM and LML applications: 2500HD (2001__2016, including 2007 Classic), 3500 (2001__2006 and 2007 Classic), and 3500HD (2007__2016). Includes driver-side and passenger-side turbo up-pipes.

304 Stainless Steel · Professional Installation Recommended

Before You Buy: Off-road/racing use only · Professional install recommended

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Description
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Description

Upgrade the pre-turbo exhaust piping on your 6.6L Duramax with this heavy-duty, driver- and passenger-side turbo up-pipe kit for Chevrolet Silverado and GMC Sierra heavy-duty trucks.

Built from T304 stainless steel, the two-piece assembly features 2-inch outside-diameter tubing, heavy-duty stainless steel inner-liner bellows, and OEM-length pipe construction.

The kit replaces the left and right up-pipes connecting the exhaust manifolds to the turbocharger. Gaskets and mounting bolts are included.

PRODUCT TYPE Dual-Side Turbo Up-Pipe Kit Driver & Passenger

MATERIAL T304 Stainless Steel Heavy-Duty Construction

PIPE SIZE 2-Inch OD 11-Gauge Tubing

FLEX DESIGN Inner-Liner Bellows Stainless Steel

Product Overview

This heavy-duty turbo up-pipe kit is designed for select 2001-2016 Chevrolet Silverado and GMC Sierra applications equipped with the 6.6L Duramax diesel engine, including the LB7, LLY, LBZ, LMM, and LML engine families.

Both OEM-length up-pipes are constructed from T304 stainless steel with 11-gauge tubing. The stainless steel inner-liner bellows are designed for high-temperature pre-turbo exhaust applications.

The passenger-side pipe incorporates a formed indentation for firewall clearance. The assembly also features welded construction and precision-machined flanges.

Key Details

Product Type: Driver- and Passenger-Side Turbo Up-Pipe Kit
Vehicle Application: Chevrolet Silverado / GMC Sierra 2500HD, 3500 and 3500HD
Engine: 6.6L Duramax Diesel
Engine Families: LB7 / LLY / LBZ / LMM / LML
Material: T304 Stainless Steel
Pipe Outside Diameter: 2 inches
Wall Gauge: 11-Gauge
Pipe Length: OEM-Length Design
Bellows: Stainless Steel Inner-Liner Bellows
Passenger-Side Design: Formed for Firewall Clearance
Installation Location: Between Exhaust Manifolds and Turbocharger
Included Components: 2 Up-Pipes, 4 Gaskets and 12 Bolts

Vehicle Fitment

For the following Chevrolet Silverado and GMC Sierra applications equipped with the 6.6L Duramax diesel engine.

LB7 LLY LBZ LMM LML

Vehicle	Model Years	Engine
Chevrolet Silverado 2500HD	2001-2016	6.6L Duramax Diesel
Chevrolet Silverado 2500HD Classic	2007	6.6L Duramax Diesel
Chevrolet Silverado 3500	2001-2006	6.6L Duramax Diesel
Chevrolet Silverado 3500 Classic	2007	6.6L Duramax Diesel
Chevrolet Silverado 3500HD	2007-2016	6.6L Duramax Diesel
GMC Sierra 2500HD	2001-2016	6.6L Duramax Diesel
GMC Sierra 2500HD Classic	2007	6.6L Duramax Diesel
GMC Sierra 3500	2001-2006	6.6L Duramax Diesel
GMC Sierra 3500 Classic	2007	6.6L Duramax Diesel
GMC Sierra 3500HD	2007-2016	6.6L Duramax Diesel

Fitment covers the Silverado and Sierra configurations shown above. The 2007 Classic models and 3500/3500HD model-year ranges are listed separately.

Package Includes

Driver-Side Turbo Up-Pipe 1

Passenger-Side Turbo Up-Pipe 1

Up-Pipe Gaskets 4

Mounting Bolts 12

Installation Notes

Professional installation is recommended due to the location of the up-pipes around the turbocharger and exhaust manifolds.
The supplied gaskets and bolts are intended for the up-pipe assembly connections.
Correct flange alignment, gasket seating, and clearance around the turbocharger and firewall are important during installation.
Corroded or heat-cycled factory exhaust hardware may require additional service.
Installation instructions are not included.

What's Included __ and What's Not

This is a replacement and upgrade-style turbo exhaust up-pipe kit containing both the driver-side and passenger-side pipes.

It is not a passenger-side-only replacement, turbo downpipe, exhaust manifold kit, EGR delete kit, DPF replacement pipe, turbocharger, or complete exhaust system.

Emissions & Vehicle Use

Installation and use must comply with applicable emissions and vehicle regulations. No emissions certification is claimed for this kit.

Shipping & Return

SHIPPING & DELIVERY
Fast Processing & Reliable Transit

Processing: Orders are processed and shipped from the nearest available warehouse within 1 business day after payment.
Delivery: Estimated delivery time is approximately 3–4 business days after shipment.
Shipping - Free shipping on all orders within the contiguous 48 U.S. states.

RETURNS & EXCHANGES
30-Day Hassle-Free Policy

Return Window: We offer a 30-day return policy from the date of delivery.
Item Condition: Returned items should be unused, uninstalled, and in their original packaging when possible.
Return Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.

WARRANTY
2-Year Limited Replacement Warranty

Duration: All products are backed by a 2-year limited warranty.
Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).

CUSTOMER SUPPORT
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Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
Email Support: You can reach us at support@XKVracing.com.

The Exhaust Path Leading to the Turbocharger

The up-pipe carries exhaust gases from the exhaust manifold to the turbocharger. Because it sits upstream of the turbo, this section plays a role in how exhaust energy is delivered to the turbine.

On turbocharged vehicles, the condition and design of the up-pipe can influence how smoothly exhaust flow reaches the turbo, especially under sustained load or higher exhaust temperatures.

What Drivers Commonly Notice

More consistent exhaust flow reaching the turbocharger

Reduced restriction in the pre-turbo exhaust path

Smoother boost delivery during acceleration

Supports stable operation when paired with turbo-related components

Factory Up-Pipe vs. Performance Up-Pipe

Factory Up-Pipe

Engineered to meet packaging, cost, and emissions requirements
May include design elements that prioritize durability and compliance

Performance Up-Pipe

Designed with exhaust flow and heat management in mind
Built to handle higher exhaust temperatures
Often used as part of a turbo-related exhaust system setup

Is an Up-Pipe Upgrade Right for Your Build?

Own a turbocharged vehicle

Are addressing exhaust restrictions before the turbo

Are upgrading turbo, downpipe, or intake components

Want more consistent boost response

FAST SHIPPING

Ships within 1 business day after payment
3–4 business day delivery

Secure and reliable Checkout

Secure checkout with major payment options

LOCAL WAREHOUSE

Orders ship from U.S. warehouses when available

Easy Returns and Exchanges

30-day returns for eligible unused items

Parts Warranty

Warranty support for qualified manufacturing defects

Important Notice

Products on this site are intended for off-road, racing, or closed-course use where emissions laws apply. They are not represented as street legal, emissions-compliant, or legal for use on public roads unless explicitly stated.

Some products may remove, replace, relocate, disable, or alter emissions-related components, including but not limited to catalytic converters, EGR, DPF, SCR, DOC, O2 sensors, or related factory systems. Compatible tuning, calibration, or supporting modifications may be required to avoid engine codes or drivability issues.

Professional installation is recommended. Buyers are responsible for verifying product compatibility, local regulations, emissions requirements, and any required tuning or supporting modifications before purchase and installation.

Performance gains, sound changes, airflow improvements, temperature changes, fuel economy changes, fitment, and drivability results may vary. No specific performance gains are guaranteed.

Up Pipe FAQs

What is an up pipe? +

An up pipe is an exhaust pipe that routes exhaust gases from the exhaust manifold area toward the turbocharger on turbocharged vehicles. Its exact position and design vary by engine platform, turbo layout, and vehicle application.

Why replace or upgrade a factory up pipe? +

Factory up pipes can develop leaks, cracks, worn sealing surfaces, or connection issues over time due to heat cycles, vibration, and age. A compatible replacement or upgraded up pipe may help restore a more secure exhaust path to the turbocharger when properly installed.

What is a bellowed up pipe? +

A bellowed up pipe includes a flexible bellow section designed to help accommodate thermal expansion, contraction, and engine movement. This can help reduce stress on certain connection points where the product is compatible with the vehicle setup.

Will an up pipe increase horsepower? +

An up pipe may support improved exhaust flow or help restore lost performance if the original pipe is leaking or damaged, but horsepower and torque gains are not guaranteed. Results vary by vehicle condition, turbo setup, exhaust system, tuning, installation quality, and supporting components.

Can an up pipe affect turbo response or sound? +

It can, depending on the vehicle and full exhaust setup. A properly sealed up pipe may help reduce exhaust leaks before the turbo, while some upgraded designs may change turbo sound or exhaust tone. Final results vary by application and installation.

Do I need tuning after installing an up pipe? +

Tuning requirements depend on the vehicle, product design, emissions equipment, sensor configuration, and supporting modifications. Some replacement-style up pipes may not require tuning, while emissions-altering or modified setups may require compatible calibration. Always review the product notes before installation.

Are up pipes street legal? +

Street legality depends on the product design, emissions equipment, vehicle application, and local regulations. Some up pipes may be intended for off-road, racing, or closed-course use where emissions laws apply. Products are not represented as street legal or emissions-compliant unless explicitly stated.

Are up pipes difficult to install? +

Installation difficulty varies by vehicle. Up pipes are often located in tight areas near the turbocharger, exhaust manifolds, firewall, heat shields, or engine bay components. Rusted hardware, heat-cycled fasteners, and limited clearance can increase installation difficulty. Professional installation is recommended.

Will an up pipe fix an exhaust leak? +

A compatible up pipe may help address leaks caused by a cracked, damaged, or poorly sealing factory pipe. However, leaks can also come from gaskets, flanges, manifolds, turbo connections, hardware, or other exhaust components, so the full system should be inspected before replacement.

Will an up pipe affect reliability? +

Reliability depends on fitment accuracy, material quality, installation quality, gasket sealing, flange alignment, hardware condition, heat management, and the vehicle’s overall condition. Proper inspection and installation are important.

What should I verify before buying an up pipe? +

Verify your year, make, model, engine, turbo setup, driver-side or passenger-side fitment, flange shape, gasket style, emissions configuration, sensor layout, and included hardware before purchase.