How Much Horsepower Can I Gain from Upgrading to a Performance Diesel Exhaust System? How Much Horsepower Can I Gain from Upgrading to a Performance Diesel Exhaust System?

If you upgrade to a diesel performance exhaust system, you can expect to experience some nice gains in horsepower. However, not every vehicle will be able to experience exactly the same level of improvement. Every engine is going to react somewhat differently to this type of system and some will do better than others. Most experts say that you should expect somewhere between 5 and 20 percent improvement in horsepower by adding a performance diesel exhaust system. By adding performance headers, you can also gain as much as another 10 to 20 percent of horsepower in your engine.

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