https://ssnperformance.com/4-e....xhaust-muffler-pipe-
Though we’ve seen the OEM BorgWarner sequential turbo arrangement support 700rwhp on nitrous, it’s not common to get much more than 600rwhp through them on fuel alone. And when attempting to push the factory chargers beyond 600rwhp, the drive pressure to boost ratio gets out of hand, with excess drive pressure being linked back to cracked pistons in many cases. Rebuilt engines may not undergo the same rigorous testing and quality control processes as a remanufactured engine and