S10 LS Swap 1-5/8" Shorty Headers for Chevy S10 / Blazer & GMC S15 / Sonoma, 2WD

SKU: XKV11097
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Fitment & Specs
2WD Chevy S10 / Blazer & GMC S15 / Sonoma with LS1 / LS2 / LS3 / LS6 engine swaps. Not for 4WD, standard SBC/BBC, or long-tube applications.
2-1/2" Collector Outlet
T-304 Stainless Steel · Swap-Specific / Modification May Be Required
Before You Buy: Off-road/racing use only · Professional install recommended
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Description
S10 Platform LS Swap Exhaust

1-5/8" Shorty Headers for S10 LS-Series Engine Swaps

T-304 stainless steel shorty exhaust headers designed for LS-series engine swaps in selected Chevrolet S10 / Blazer and GMC S15 / Sonoma 2WD applications. The compact shorty configuration uses 1-5/8-inch primary tubes and 2-1/2-inch collectors for S10-platform LS swap installations where engine-bay and exhaust clearance are important.

Product Type LS Swap Shorty Headers
Engine Family LS-Series V8
Drivetrain 2WD Applications Only

Key Details

Shorty Header Configuration

  • Application-specific LS swap shorty header design
  • 1-5/8-inch primary tubes
  • 2-1/2-inch collectors
  • Compact layout for S10-platform LS swap applications
  • Driver-side and passenger-side header set

Construction & Application

  • T-304 stainless steel construction
  • Designed for LS-series V8 engine swaps
  • Compatible with LS1 / LS2 / LS3 / LS6 applications
  • Designed for 2WD applications
  • Not intended for standard SBC or BBC engine configurations
Vehicle Fitment

Chevy S10 / Blazer & GMC S15 / Sonoma LS Swap Applications

Vehicle Year Range Application
Chevrolet S10 1982-2004 2WD LS-Series V8 Engine Swap
GMC S15 1982-1990 2WD LS-Series V8 Engine Swap
GMC Sonoma 1991-2004 2WD LS-Series V8 Engine Swap
Chevrolet S10 Blazer 1983-1994 2WD LS-Series V8 Engine Swap
Chevrolet Blazer 1995-2004 2WD LS-Series V8 Engine Swap
Fitment Note: This header set is designed specifically for the listed S10-platform vehicles using an LS-series V8 engine swap. It is not a universal S10 V8 header. Do not determine fitment from the vehicle name or V8 engine designation alone. Confirm the exact vehicle, drivetrain, LS engine family, engine mounts, transmission, steering clearance, oil pan and exhaust routing before ordering.

LS Swap Configuration & Installation

Application Requirements

  • For LS-series engine swaps only
  • 2WD applications only
  • Does not fit 4x4 / 4WD configurations
  • Does not fit standard SBC small-block Chevy engines
  • Does not fit BBC big-block Chevy engines
  • This is a shorty header set, not a long-tube configuration

Installation Notes

  • Professional installation is recommended.
  • Check steering shaft and spark plug wire clearance during installation.
  • Engine mounts and engine position can affect header clearance.
  • Transmission selection can change available bellhousing and collector clearance.
  • Aftermarket oil pans and exhaust routing may require additional clearance checks or modification.

Transmission & Exhaust Clearance

Transmission Clearance

  • Verify transmission and bellhousing clearance before final installation.
  • 4L80E installations may require additional clearance work depending on the swap configuration.
  • Older TH350 / TH400 transmission configurations may require bellhousing-area modification for clearance.
  • Do not assume all engine-mount and transmission combinations position the drivetrain identically.

Exhaust Connection

  • Collector size: 2-1/2-inch
  • Downstream exhaust fabrication or modification may be required.
  • Aftermarket oil pans may affect collector and exhaust-pipe clearance.
  • Confirm the planned exhaust routing before completing the installation.

Before You Buy

  • Confirm that your vehicle is one of the S10-platform applications listed in the fitment table above.
  • Confirm that the vehicle uses an LS-series V8 engine swap. Do not purchase this header set for a standard SBC or BBC S10 V8 swap.
  • This header set is intended for 2WD applications and does not fit 4x4 / 4WD configurations.
  • This product uses a 1-5/8-inch shorty header configuration and is not a long-tube, full-length, fender-exit or turbo-header setup.
  • Verify engine mounts, engine position, transmission, steering shaft, spark plug wires, oil pan and downstream exhaust clearance before ordering.
  • LS swap builds can vary significantly. Modified chassis, custom mounts or non-standard drivetrain positioning may require additional fabrication.
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
We’re Here to Help – Contact Us First

  • 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.

What Does an Exhaust Header Actually Do?

The exhaust header is the first section of the exhaust system and mounts directly to the engine. Its role is to collect exhaust gases from each cylinder and route them into the rest of the exhaust system.

Compared to many factory manifolds, header designs often focus on smoother internal flow and more uniform exhaust routing before gases move downstream.

What You May Notice After Installation

Smoother exhaust flow as engine speed increases

More consistent engine behavior across the RPM range

Improved exhaust routing when paired with other intake or exhaust components

Changes in exhaust tone, depending on system configuration

When This Type of Upgrade Is Typically Considered

Addressing airflow limitations in the factory exhaust manifold

Planning coordinated intake or exhaust system updates

Replacing aging or restrictive original components

Build a balanced, performance-focused setup

Factory Manifold vs. Performance Header

Factory Exhaust Manifold

Designed to meet packaging, cost, and emissions requirements
Prioritizes durability and compliance across broad use cases

Performance Exhaust Header

Designed with exhaust flow characteristics in mind
Built for higher exhaust temperatures and specific vehicle platforms
Commonly used as part of an exhaust system configuration

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.

Frequently Asked Questions

What do exhaust headers do? +

Exhaust headers help route exhaust gases away from the engine through individual tubes and collector-style routing. Actual results depend on the vehicle, engine condition, exhaust system, installation quality, and supporting components.

What's the difference between headers and factory manifolds? +

Factory manifolds are typically designed around packaging, durability, emissions requirements, and production cost. Headers or manifold-related exhaust upgrades may use different tube routing, flange designs, or connection layouts depending on the application.

Will headers increase horsepower? +

Headers may support improved exhaust flow where the product is compatible, but horsepower and torque changes are not guaranteed. Results vary by engine setup, tuning, exhaust configuration, vehicle condition, installation, and supporting modifications.

Do headers make the vehicle louder? +

Headers and related exhaust parts can change exhaust tone and may increase sound depending on the rest of the exhaust system. Final sound level depends on the engine, mufflers, catalytic converters, pipe routing, and complete exhaust setup.

Do I need tuning after installing headers? +

Tuning requirements depend on the vehicle, engine management system, O2 sensor setup, emissions equipment, and supporting modifications. Some installations may not require tuning, while modified builds may require professional inspection, calibration, or tuning to support proper drivability.

Are header products street legal? +

Header and exhaust products may be intended for off-road or racing use where emissions laws apply. They are not represented as street legal, emissions-compliant, or CARB-compliant for public road use unless a valid exemption is explicitly stated. Always check local regulations before purchase and installation.

Can I use headers with a stock exhaust system? +

Compatibility with a stock exhaust system depends on the vehicle and existing exhaust configuration. Some vehicles may require additional hardware, gaskets, connectors, adjustment, or fabrication to complete installation.

Are headers hard to install? +

Installation difficulty varies by vehicle. Tight engine bays, old hardware, rust, engine swaps, modified exhaust systems, sensor placement, and clearance around surrounding components can increase installation complexity. Professional installation is recommended.

Will headers affect reliability? +

Reliability depends on fitment accuracy, installation quality, vehicle condition, heat management, gasket sealing, fastener condition, sensor placement, and supporting components. Proper inspection and installation are important.