Exhaust cutout blog
Explore exhaust cutout guides, performance benefits, installation tips, sound control strategies, and real-world upgrades to help you maximize exhaust flow and driving experience.
Best Delete Kit for 6.7 Cummins: SPELAB Buyer’s Guide 2026
This article reviews top-rated delete kits for the 6.7 Cummins engine. Discover how EGR and DPF deletes can significantly boost horsepower, improve fuel economy, and increase your truck's overall engine...
How to Reroute the CCV Filter on a 6.7 Cummins
A practical how-to guide explaining how to delete and reroute the CCV filter on a 6.7 Cummins, covering real user issues, install steps, vent options, and critical winter and sensor...
What Is CCV
Your engine's CCV (Crankcase Ventilation) system is vital for preventing oil leaks and sludge. This guide explains its function, failure signs, and why maintenance is crucial for your vehicle's long-term...
![How To Delete 6.7 Powerstroke CCV [Full Guide]](http://www.spelabautoparts.com/cdn/shop/articles/How_To_Delete_6.7_Powerstroke_CCV_Full_Guide_f763a12b-beac-4912-9076-c0a922c9b76a.jpg?v=1780070514&width=1400)
How To Delete 6.7 Powerstroke CCV
A practical guide to 6.7 Powerstroke CCV reroute benefits, risks, install steps, maintenance options, and legal considerations for diesel truck owners.
Pros And Cons Of LLY Duramax EGR DPF Delete
Author: John Lee, SPELAB Mechanical Engineer. Updated on May 12, 2026. Quick Answer: Is an LLY Duramax EGR Delete Worth It? An LLY Duramax EGR delete may be worth considering...
What Is an L5P Delete? EGR, DPF, DEF and Tuning Explained
An engineer’s breakdown of L5P delete kits. Learn how removing the DPF and EGR affects reliability, exhaust flow, and performance on 2017+ Duramax engines, plus critical tuning advice.
What does a PCV reroute do
A PCV reroute is an essential mod for Duramax engines. It diverts oily crankcase gases away from your turbo and intake, venting them to the atmosphere. This prevents harmful oil...
What Does CCV Mean? And How to Effectively Delete, Reroute and Filter It on a 6.7 Powerstroke
Author: SPELAB Mechanical Engineer (focusing on car modification for 10 years) Introduction You know the drill: you're driving down the road, minding your own business, when all of a sudden...
Diesel Engine Intake System Modification Proposal Evaluation: Performance Enhancement, Budget, and Pros & Cons
This article comprehensively discusses various combination schemes for modifying the intake systems of cars, trucks, and off-road vehicles. It includes upgrades such as turbocharger enhancements, turbo wastegate recovery devices, high-performance...
User Feedback Report: Stainless Steel Exhaust Pipe Rust Issue
Background Recently, we received feedback from a user reporting rust issues with their stainless steel exhaust pipe components (such as the Exhaust Manifold, Muffler, and Tailpipe). In response, SPELAB conducted...
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