How much does it cost to straight pipe a truck?
A large part of the cost of the straight pipe is influenced by the city you live in, as well as the make and model of your vehicle. You should expect to spend between $1000 and $1500 on straight pipe installation for your car on average. It will take more money if you want to get the high-end titanium alloy exhausts.
Do diesels need back pressure?
Banned. Turbo Charged Diesel's dont need backpressure.
Is Catback louder than straight pipe?
Straight Pipe Vs Catback
Straight piping removes the muffler and resonator from the exhaust system. Cat-back exhaust replaces your stock muffler with one that's less restrictive. This means the sound from combustion will still be suppressed, but not so much – resulting in a more aggressive and louder sound.