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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Choosing the Right Option
simply remove the device to return your truck back to 100% factory settings without a trace
Important Note Before Tuning:
- Available embroidery options for personalized decoration
2001-2004 LB7 High‑Flow Intake Horn Summer Accessories Choosing the Right OptionSimple, effective bolton intake horn for LB7 Duramax. Backtoback dyno pulls showed a 15 20 hp increase an economical way to gain power and improve intake flow. Lifetime warranty included. Kit Includes Cast aluminum intake horn New gasket Benefits Approx. +15 hp from dyno verified installs Improved airflow and throttle response Direct bolt on replacement for LB7 intake systems Affordable power upgrade with lifetime warranty Fitment Engine: Duramax LB7