SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
2026 L5P Duramax Engine Noise: GM PIP6131 Explained for Silverado HD and Sierra HD Owners
GM PIP6131 explains possible upper-engine noise on some 2026 L5P Duramax trucks. Learn symptoms, dealer inspection steps, and why parts should wait until diagnosis.
6.7 Powerstroke DPF Delete Kit Fitment Guide by Year
Match your F-250, F-350, F-450, or F-550 by year, exhaust layout, pipe size, and legal-use status before choosing off-road DPF pipe options.
4 Inch vs 5 Inch DPF Delete Pipe: Which Size Should You Choose?
Buyer-focused guide explaining when 4 inch is enough, when 5 inch makes sense, and what to check before ordering a diesel delete pipe.
Should You Buy a Used Deleted Diesel Truck?
A practical buyer’s guide for used deleted diesel trucks, covering legal risk, missing stock parts, unknown tunes, inspection checks, pricing risk, and when to walk away.
Do You Need an EGR Delete with a DPF Delete?
Find out whether you can keep EGR after a DPF delete, what symptoms to watch for, and how street-driven trucks should be repaired legally.
What to Upgrade Before a July 4th Diesel Truck Road Trip: SPELAB Sale Picks
Before a July 4th diesel truck road trip, upgrade the parts most likely to fail under heat, towing load, boost pressure, and long highway miles. SPELAB’s 4th of July Sale...
SPELAB 4th of July Auto Parts Sale 2026: Diesel Truck Deals for Summer Hauls
SPELAB’s 4th of July Sale 2026 is live from June 26 to July 6, PST, giving truck owners a limited-time chance to save on diesel truck parts, summer upgrades, replacement...
Can a Deleted Diesel Pass Inspection? Legal and Practical Risks
A practical inspection-risk guide for deleted diesel trucks covering visual checks, OBD readiness, no-CEL myths, registration, resale, and legal repair paths.
DPF Cleaning vs Replacement vs Delete Cost: Which Option Costs Less?
Compare DPF cleaning, replacement, and delete cost paths with repair ranges, downtime, symptoms, sensor checks, and legal-use limits.
Duramax LMM vs LML vs L5P DPF Delete Differences
Compare LMM, LML, and L5P Duramax differences by DPF/DEF system, CP4 risk, ECM unlock, fitment, and legal-use limits.
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