Empire Exhaust for KTM Adventure. This system offers a nice deep exhaust tone while adding horsepower and torque. You can choose a brushed or powder coated black muffler depending on your style. As for the muffler tips you can choose raw, black, blue and orange in billet aluminum or black carbon fiber. Empire Exhaust is constructed from aluminum and stainless steel for a long lasting product. If you ride in a forestry area and need a quiet core or spark arrestor we offer them as well in the dropdown list here on this page. Empire Exhaust for KTM Adventure Fits 2021+ 250 & 390 models. This is a slip-on and installs in minutes! Have a question about this product? Simply contact us!