4" vs 5" Diesel Exhaust Systems. Which one is better?
What's better for your diesel truck, a 4" or 5" exhaust system? We get asked this question every day, and most people are surprised by what we tell them.
Save 10% on ALL BD Diesel products until March 31st!
Save 5% On Dynomite Diesel Powerstroke Injector Sets for the entire month of March, 2023
Now is the chance to grab some open box/lightly used parts at a great price!
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