brian fort worth tx 11/19/2018 - 10:37 AM Permalink Report 5 out of 6 people found the following review helpful 4.5 out of 5 owner/operator installed on my 2016 freightliner Coronado glider,12.7 500hp Detroit. sounds great , deep tones but not to loud better throttle response. for the price this was a winner. Would you recommend this product to a friend? Yes Comment | Was this review helpful? Yes | No Name Leave a Comment Submit Comment