HMF Racing Honda Pioneer 1000- Titan-XL-Series Slip On 16-21The Honda Pioneer 1000 is available as a Slip On System in the Titan Series. Made from 304 Stainless steel, the Titan exhaust system picks up 1 horse and 1lb of torque while cutting 10lbs off from the stock exhaust. At idle, the stock Pioneer 1000 is at 78dB while the Titan QS is at 85dB and the Titan XL at 87dB. The HMF exhaust maintains the original narrowband O2 Sensor and a 12mm O2 bung is welded into the HMF S Bend. Exhaust Fits: (16 21) Honda