My friend owns Hammer performance here in El Paso Texas he refuses to install their drive shafts the DSs because of problems without U-joint vibration and the U-joint always ends up going out in the end because it's that weird thing that use shaftmasters used as a good U-joint I knocked the s***...
my intake is still fine never blown it off never had a nitrous backfire you just have to use the stuff right it has its pros and cons like everything else
I have a 14 that has over 200 horsepower sprayed in it have sprayed it for 5 years never had a valve cover off the motor no oil pump gears makes 646 horsepower 646 torque on race gas spray it at 2800 all the way to 7500 tuned by AED also has Kooks Headers 1 7/8 inch 4C converter boss intake and...
I've had my Circle D 4C converter in for 2 years I barely hear a whine at idle almost like an idler pulley barely starting to go out and you can hardly hear it and nothing else my converter works perfect I've never had any of these issues you guys are talking about