Patriot Defender Exhaust M101110B Ceramic Coated 2 into 1 Exhaust Pipe with Heat Shield for Harley Davidson Softail 1984-2011 Patented exhaust are constructed from corrosion proof 304 stainless steel for a long life Dyno proven horsepower increases; on a 95 inch Street Glide power increased from 70.95 to 81.73; torque increased from 80.52 to 87.68 with no other adjustments Simple adjustment, you can change the sound from one that is close to stock levels to a loud and deep rumble, or anywhere in between Comes complete with all mounting hardware required, Sound Adjustment, lock rod, and chrome heat shields; includes bungs for oxygen sensors on fuel injection bikes Available in highly polished stainless steel with chromed heat shields, black metallic ceramic heat coating with chromed heat shields, or black coated with black heat shields