GP131S Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header - Stainless
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GP131S Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header - Stainless
Unlock the true potential of your Chevrolet Silverado 3500 with the GP131S Gibson Performance Header. Crafted with precision and designed for performance, this product brings a new dimension to your driving experience.
Key Features:
- Dyno-Tuned Engineering: Specifically designed to enhance usable horsepower and torque, especially in low and mid-range RPM highway speeds.
- Improved Engine Breathing: Enhances your engine's ability to inhale, leading to better performance and cooler operating temperatures.
- Direct Replacement Design: Easily replaces factory manifolds using the stock crossover pipe, ensuring a hassle-free installation.
- Versatile Compatibility: Suitable for both lowered and raised vehicles, making it ideal for street and off-road applications.
- State Legal Compliance: 50 State Street legal and meets both EPA and CARB requirements, ensuring peace of mind during your adventures.
- Warranty Assurance: Backed by a Lifetime Limited Warranty to protect your investment.
Benefits:
- No welding is required for installation, using OEM style connections for a seamless fit.
- 3/8" Heavy Duty Laser Cut Port Flanges ensure no warping or leaking, enhancing durability and performance.
- Comes with premium gaskets and hardware for a complete installation package.
Transform your Chevrolet Silverado 3500 into a powerhouse with the GP131S Gibson Performance Header. Experience improved performance and efficiency while maintaining compliance with legal standards. Elevate your driving experience today!
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

