Mostly because there wouldn't be enough straight pipe left to attach this part too. Deleting the valve will change the volume and tone of your system but it is not necessary to remove it. Here is a link to a video explaining how to simply get it to stay open and how it sounds open compared to functioning properly. If you want a full cat-back we make those too!

A performance muffler increases exhaust flow, giving you a more aggressive sound plus slight improvements in horsepower and torque. It's an ideal upgrade for Silverado 1500 owners who want a performance bump without a full cat-back. If you want it even louder, check out our muffler delete!

While an exhaust system may improve throttle response and horsepower, the impact on fuel efficiency can vary. Some users report slight improvements, while others note no significant change. High-flow exhausts reduce backpressure, but driving style and other modifications play a big role in fuel savings

It gives your Silverado a deeper, throatier tone with a real growl under throttle — a big step up from the boomy, muffled factory sound, without getting obnoxious or droning on the highway. It's the milder of our two options; if you want it louder, our muffler delete is about 25% louder with a higher pitch.

It's a straightforward retrofit. You cut out the stock muffler and clamp ours into its place — we've cut the slots in the tubing to match the clamp width so it seals clean. All hardware is included, no tune needed, and most people knock it out in about an hour. Welding is optional but not required; a little high-temp silicone in the joints helps the seal.

Yes — it's a direct fit for 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 with the 5.3L V8, across all cab and bed configurations. If you have the 6.2L V8, you'll want our 6.2L muffler delete instead.