Gibson 65688 Stainless Dual Split Cat‑Back Exhaust for 2019-2025 Chevy/GMC 1500 For Sale - New and Used

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- AUTHENTICPART

Part Brand: Gibson

Part Number: 65688

Vehicle Fitment

• 2019-2025 Chevrolet Silverado 1500 (WT, Custom, RST, LT, LTZ, High Country, Trail Boss) — 4.3L V6 / 5.3L V8
• 2019-2025 GMC Sierra 1500 (SLE, SLT, AT4, Denali, Elevation) — 4.3L V6 / 5.3L V8

Features

• Stainless steel dual split cat‑back exhaust engineered for improved exhaust flow and performance gains
• Mandrel‑bent 3.00″/2.50″ stainless tubing for enhanced exhaust flow and corrosion resistance
• Superflow™ baffled and chambered muffler produces a deep, aggressive tone with minimal interior drone
• Dual split rear exit maintains factory exhaust tip locations
• Uses factory dual exhaust tips — no new tips included
• Bolt‑on installation with included factory‑style hangers and stainless band clamps — no welding required
• Designed to increase low‑end torque and horsepower and improve throttle response
• Lifetime limited warranty from Gibson Performance Exhaust

Specifications

• Part Number: 65688
• Exhaust Type: Dual split cat‑back
• Material: Stainless steel mandrel‑bent tubing
• Main Tubing Diameter: 3.00″ headpipe / 2.50″ dual outlets
• Muffler Body: 8″ round baffled and chambered design
• Exit Position: Dual split rear exit using factory tip locations
• Installation: Bolt‑on with included hangers and clamps
• Sound: Deeper aggressive tone with reduced drone

Included Components

• 1x Stainless steel dual split cat‑back exhaust assembly
• 1x Superflow™ baffled and chambered muffler
• 1x Complete set of factory‑style hangers
• 1x Set of stainless band clamps and installation hardware

Product Description

The Gibson 65688 Stainless Dual Split Cat‑Back Exhaust System is a high‑performance replacement exhaust engineered specifically for 2019-2025 Chevrolet Silverado 1500 and GMC Sierra 1500 pickups equipped with 4.3L V6 or 5.3L V8 engines. This dual split cat‑back system replaces the factory exhaust from the catalytic converter back with mandrel‑bent stainless steel tubing and a Superflow™ baffled and chambered muffler designed to improve exhaust flow, enhance throttle response, and deliver a deeper, more aggressive exhaust tone with minimal cabin drone.

Installation is straightforward with included factory‑style hangers and stainless band clamps — no welding is required. The exhaust exits straight out the back in the factory tip locations and uses the truck’s existing dual exhaust tips to maintain the original rear appearance. Backed by a lifetime limited warranty from Gibson Performance Exhaust, this cat‑back system is ideal for drivers seeking improved performance, enhanced sound, and durable construction. Fitment is confirmed for 2019 through 2025 Chevrolet Silverado 1500 and GMC Sierra 1500 models with 4.3L or 5.3L engines.

*Parts are for USA spec vehicles, please contact us to verify fitment on JDM & international models.

· · · SHIPPING · · ·

• Free shipping across the contiguous 48 United States (excludes Hawaii and Alaska). Item(s) ships on the same day or within 1 business day. Delivery time is within 2 to 4 business days excluding next day deliveries. Orders over $750 require signature for delivery.
• Canada customers - If does not collect import & duty fees during checkout, the shipping carrier will collect them prior to delivery.

· · · RETURNS · · ·

• Your complete shopping satisfaction is our #1 priority. If an item you ordered from us does not meet your expectations, please contact us within 30 days of receiving the item(s). If your order arrives damaged from shipping please contact us and we will provide a prepaid return label to send back for a replacement or refund.

• Returned items must be in the original packaging (including plastic wrapped items) and in brand new condition.
• Any returns received installed, mounted, used or missing components will be subject to return fee's.

· · · PAYMENTS · · ·

• We accept all payment methods through 's payment system
• PayPal, and all major credit cards/debit cards are accepted.

· · · response · · ·

• Customer satisfaction is a top priority for us. If you have any issues with your order, please let us know. We will make every effort to resolve any problems and ensure you are satisfied.

· · · CONTACT US · · ·

• We appreciate your business. If you have any questions, please message us through and we will respond within 24 hours on weekdays. Feel free to browse our store for other available items. Thank you again for choosing to shop with us!

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