Improve turbocharger inlet airflow and eliminate the factory plastic intake horn on your 2017–2019 Chevrolet L5P Duramax with the Wehrli Custom Fabrication 3.5-inch Intake...
Improve airflow to your 2020+ Chevrolet 6.6L L5P Duramax without replacing the entire air box with the Wehrli Custom Fabrication 4-inch Intake Pipe in...
Increase airflow to your 2020+ Chevrolet Silverado HD or Sierra HD L5P Duramax while retaining your factory air box with the Wehrli Custom Fabrication...
Upgrade your 2020-2022 Chevrolet Silverado or GMC Sierra 6.6L L5P Duramax with the Wehrli Custom Fabrication 4-inch Cold Air Intake Kit in WCFab Red....
Transform the performance of your 2020–2022 Chevrolet L5P Duramax diesel with the Wehrli Custom Fabrication 4-inch Cold Air Intake Kit in Gloss Black. The...
Unlock more power and efficiency from your 2020–2022 Chevrolet Silverado HD or Sierra HD with the Wehrli Custom Fabrication 4-inch Cold Air Intake Kit...
Maximize intake airflow and eliminate boost leaks on your 2001–2004 Chevrolet LB7 Duramax with the Wehrli Custom Fabrication 3-inch Y-Bridge Kit in WCFab Grey....
Unlock serious airflow gains on your 2004.5–2005 Chevrolet 6.6L LLY Duramax diesel with the Wehrli Custom Fabrication 4-inch Stage 2 Intake Kit in WCFab...
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