Brake repair service near Ocean, NJ

i went for subwoofer and amp installation ... first they told me they will charge 69.99 + tax and when they analyze my car they made a total of 148. i asked them and they said you car needs adapter .., need more wiring etc .. alrite as i already buy the sub and amp i need to installl it ....then i was ready to pay for it as i have no other choice ... alrite now they hooked up everything and told me stereo is not working ..i said how it is possible .... when i dropped the car it was working before .... they told me radio is not working ... i fight with them ...i said you guys made my stereo is damage as it was working before... i talked to manager ... and he was even more horrible .. he was always in favor of mehanic he was not even listening to me.... and i said you know what i dont want the system and you take it.... they were ready to take it ... but still charging for the labor they spent on working which was 148 .... i got really boiled i saild if its not working why should i have to pay for it...... they said you have to pay for it otherwise i will call cop..... i was sooo boiled up and i paid for the labor .... while going out the mehcanic came to me and said ill fixed for you....... i said how..... he went back and turned my radio back on...... the all story came to here that they purposefully turn the sound off .. so i can buy a new stereo which i have to pay extra for it ......i am sure everything was done my manager... he told mechanic to make the stereo off so he can sell his stereo too........ THIS IS THE WORST PLACE NEVER EVER GO TO THIS PLACE