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MagnaFlow part 19534 is a muffler made for the 2019-2026 GMC Sierra 1500 / Limited. MagnaFlow rates its sound as moderate outside and mild inside the cabin. Coverage spans 8 model years: 2019-2026 GMC Sierra 1500 (AT4X, Denali, Denali Ultimate, SLT), 2022 GMC Sierra 1500 Limited (AT4, Denali, SLT), 2019-2026 Chevrolet Silverado 1500 (Custom Trail Boss, High Country, LT Trail Boss, LTZ, RST) and 2022 Chevrolet Silverado 1500 LTD (Custom Trail Boss, High Country, LT Trail Boss, LTZ, RST). Shipping weight is about 26 lb.
| Part number | 19534 |
| Type | Muffler |
| Inlet Type | Clamp-On |
| Clamps Included | Yes |
| Pipe Material | Stainless Steel |
| Clamping Type | Round Band |
| Muffler Body Material | Stainless Steel |
| Muffler Quantity | 2 |
| Main Piping Diameter | 3.5in |
| Hanger Included | Yes |
| Body Material | Stainless Steel |
| Body Finish | Brushed |
| Grade Type | Performance |
| Muffler 1 Body Height | 4in |
| Muffler 2 Body Height | 6in |
| Muffler 1 Body Length | 14in |
| Muffler 2 Body Length | 14in |
| Muffler 1 Body Width | 4in |
| Muffler 2 Body Width | 6in |
| Outlet Tip Quantity | 0 |
| Muffler (Front) Type | Tuned Chamber |
| Muffler (Rear) Type | Straight-Through |
| Muffler Height Position Front | 4in |
| Muffler Height Position Rear | 6in |
| Muffler Length Position Front | 14in |
| Muffler Length Position Rear | 14in |
| Muffler Width Position Front | 4in |
| Muffler Width Position Rear | 6in |
| Muffler 1 Length | 14in |
| Muffler 1 Width | 4in |
| Muffler 2 Length | 14in |
| Muffler 2 Width | 6in |
| Shipping weight | 26 lb |
MagnaFlow covers the construction of this system with a limited lifetime warranty, and the finish carries a 1-year limited warranty.
Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended. Download the MagnaFlow 19534 installation guide (PDF).
Check the fitment table below against your vehicle, including trim and engine.
| Make | Model | Chassis | Year | Engine |
|---|---|---|---|---|
| GMC | Sierra 1500 (AT4X, Denali, Denali Ultimate, SLT) | — | 2019-2026 | — |
| GMC | Sierra 1500 Limited (AT4, Denali, SLT) | — | 2022 | — |
| Chevrolet | Silverado 1500 (Custom Trail Boss, High Country, LT Trail Boss, LTZ, RST) | — | 2019-2026 | — |
| Chevrolet | Silverado 1500 LTD (Custom Trail Boss, High Country, LT Trail Boss, LTZ, RST) | — | 2022 | — |
| Year | Make | Model |
|---|---|---|
| 2019–2026 | GMC | Sierra 1500 |
| 2022–2022 | GMC | Sierra 1500 Limited |
| 2019–2026 | Chevrolet | Silverado 1500 |
| 2022–2022 | Chevrolet | Silverado 1500 LTD |
Not sure? Text us your VIN and we’ll confirm.
Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.
Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.
Not returnable: special-order or custom items, and anything that has been installed, modified or altered.
Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.
Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.
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