Yes, you install tweeters in Mahindra XUV300. But we would suggest you get it to install from the authorized service center only to avoid voiding or hampering your car's warranty. Follow the link for service centre details.
The Mahindra XUV300 is the safest subcompact SUV with a complete 5-star rating. Its range-topping variants feature up to six airbags, front and rear parking sensors, and ESP.