Hella's ultra-reliable trumpet horns look and sound like nothing else on the road. These horns guarantee the attention needed in critical situations. Trumpet horns are for the performance oriented driver for whom a high level of safety combined with great design and high quality is key. HELLA horns guarantee best functionality, optimum fit and long lasting customer satisfaction. Original equipment quality horns you can trust from a global leader in automotive technologies for more than 100 years Trumpet horns come with a M8 screw horn bracket and with flat connections of 6.3 mm, open, blade type.