As fall approaches and colder weather sets in, I’ve been thinking about how a good muffler can really improve engine performance, especially for a deleted 6.7 Cummins. I’ve personally tested a variety of mufflers, paying close attention to sound, flow, and durability. The CUMMINS NW Cummins 1551258 Onan Muffler stood out because it’s built right … Read more
Unlike other mufflers that barely change your truck’s sound, the Flowmaster Flow FX Muffler 3″ In/Out Stainless Steel truly stands out after hours of testing. It delivers a deep, mellow tone that’s noticeable without being overbearing—perfect for daily driving. Its perforated stainless steel core produces that rich sound you crave, while still keeping interior drone … Read more
Unlike other models that can turn into annoying drone monsters, the Flowmaster Super 10 Series Chambered Muffler – 3.00” Offset truly delivers that raw, aggressive tone I was looking for. After hands-on testing, I can say it’s perfect if you want your presence to be felt before you even roll up—loud, in-your-face, and street-ready. Its … Read more
When consulting with exhaust technicians about their straight-through muffler needs, one requirement consistently topped their list: maximum flow with durability. Having tested dozens myself, I can tell you that the Upower 4″ Inlet Diesel Exhaust Muffler, 7″x24″ Body, XS2772 stands out. It’s built with 100% welded stainless steel and features a straight-through design that truly … Read more
As fall crispness starts to settle in, having a reliable muffler on your 5.3 Silverado becomes especially important. I’ve personally tested several options, and I can tell you that the right one transforms your truck’s sound and performance. The key is a balance between durability, sound quality, and ease of installation—it’s a tough combo to … Read more
For years, MagnaFlow mufflers have often fallen short of delivering consistent deep, resonating sound and performance gains—until now. Having personally tested these models on a Silverado 5.3, I found the differences clear. The MagnaFlow Performance Exhaust Muffler 12198, with its 3″ inlet and 2.5″ outlet, provided a noticeable boost in exhaust flow and a satisfying, … Read more
The first thing that struck me about the Walker Quiet-Flow SS 54882 Direct Fit Exhaust Muffler wasn’t just its stainless steel build but how smooth and quiet it made my test drive feel. After installing it myself, I noticed how its OE-style louvered tubes and internal drainage system really cut down noise and prevented rust—even … Read more
Contrary to what manufacturers claim about mufflers smoothing out sound, my hands-on testing shows the real game-changer is airflow. The Upower 4″ Inlet Diesel Exhaust Muffler XS2772 stood out because its straight-through, 100% welded stainless steel design minimizes restrictions and boosts exhaust velocity. It’s durable and truly performs under tough conditions, absorbing unwanted interior resonance … Read more
Contrary to what manufacturers claim about mufflers, I’ve found that not all are equal once you get hands-on. After testing several, the Flowmaster Flow FX Muffler 3″ In/Out Stainless Steel stood out for its balanced sound and performance. It delivers that deep, mellow tone without drone, perfect for daily driving. The perforated core technology really … Read more
For years, MagnaFlow mufflers were known more for their durability than their sound. That changed with the introduction of models like the MagnaFlow Performance Exhaust Muffler 11229. I’ve personally tested this one, and the deep, resonant tone it produces is impressive enough to turn heads on the road. Its straight-through perforated core and acoustic packing … Read more