
Description
This Flowmaster American Thunder cat-back exhaust system for the 2019-2026 GM 1500 (new body style) trucks with 5.3L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all Crew Cab and Double Cab models with 5.5 and 6.5-ft long beds with factory dual exhaust option.
Features include flex joint, mandrel-bent 3.00-inch stainless steel tubing flowing into a Super 40 Series muffler, dual 2.50-inch mandrel-bent stainless tailpipes that are finished off with quad 4.00-inch black ceramic coated stainless steel tips exiting out under the factory exhaust bezels. Designed for an easy fit, this system includes all necessary parts and hardware for an easy at home installation. Maximum dyno gains of 15 hp and 19 lb.ft. at the rear wheels. Notes: Fits 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. Fits models with 5.5 and 6.5-ft long beds with factory dual exhaust option.
- Large 4.00-inch Black Ceramic Coated Stainless Quad Tips
- Max Dyno Gains of 15 hp and 19 lb.ft. of Torque
- Moderate Interior with Aggressive Exterior Tone
- Uses the Factory Hanger Locations
- Large Volume Super 40 Muffler
- Stainless Steel Construction
- Lifetime Limited Warranty
- Easy Installation
➡️ Warranty
Flowmaster Warranty
Coverage: Manufacturer's Limited Lifetime Warranty.
Coverage applies to the original purchaser while the product remains installed on the original vehicle and protects against defects in materials and workmanship. Normal wear, cosmetic changes, racing use, improper installation, alteration, misuse, collision, and road-impact damage are excluded.
Proof of purchase is required; warranty registration is not mandatory. Flowmaster may replace the product or refund the original purchase price after inspection. Installation, removal, labour, towing, transportation, and return-shipping costs are not covered.
➡️ Shipping & Returns
Shipping & Refund Policy
Shipping:
We ship across Canada. Orders are processed within 1–2 business days. Delivery within Canada typically takes 3–10 business days depending on location and carrier. Tracking information will be provided once your order ships.
Refunds & Returns:
Returns are accepted within 30 days of delivery. Items must be unused and in original packaging. Please review our full return policy for more details.
Damaged or Incorrect Items:
If you receive a damaged or incorrect item, please contact us within 5 days of delivery. Call or text 416-624-1357 or email sales@Niagarajeeps.ca so we can resolve the issue quickly.
➡️ Fitment Table
Vehicle Fitment
| Year | Make | Model |
|---|---|---|
| 2019-2026 | Chevrolet | Silverado 1500 |
| 2022 | Chevrolet | Silverado 1500 LTD |
| 2019-2026 | GMC | Sierra 1500 |
| 2022 | GMC | Sierra 1500 Limited |
Confirm engine, cab, wheelbase, body style, emissions requirements, and other product-specific requirements before ordering.
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