DC has the best customer service I've ever dealt with. I've had the 270XP on my challenger for about 1.5 years (~20,000 miles), not a single issue. The install was simple and the provided materials worked perfectly.
I can definitely say this is and will be my best audio purchase.
Sent from my Galaxy S III
I used to have that walled Challenger, then it got totaled...
2015 IASCA Welterweight Champion and Record Holder - 156.0 Avg (No door blockers)
2016 IASCA Welterweight Record Holder - 157.7 Avg (Door blockers used)
Team Sundown Audio & Fullriver Faction Member