Spelab NEWs
Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
URGENT SAFETY ALERT: Recall Issued for Inoperative Trailer Lighting and Brake Failure
Urgent recall for 2025-2026 Ram & Jeep owners: Trailer brakes and lights may fail. View the full list of 14 affected models and learn how to check your VIN for...
Does a Straight Pipe Exhaust Really Add Horsepower? Complete Breakdown for Diesel Trucks
A straight pipe exhaust system can add horsepower only when the factory exhaust is a measurable restriction. On a healthy, stock modern diesel truck, removing only the muffler or replacing...
What Size Should An Exhaust Tip Be?
Choose an exhaust tip by the tailpipe's measured outside diameter first, then check the tip's inlet fit, overall length, outlet size, attachment method, and bumper clearance. A 5-inch outlet does...
How Much Is a Muffler Delete?
Updated on July 9, 2026. If you are asking “how much is a muffler delete?”, the real-world answer is usually simple: most basic muffler deletes cost $100 to $200 at...
How To Clean Exhaust Tips?
Clean an exhaust tip only after identifying its finish. Cool the exhaust completely, rinse away loose grit, wash with pH-neutral car shampoo and a microfiber towel, then use polish only...
What Do Exhaust Tips Do？
A complete DIY guide to exhaust tips. We explain different styles, how to properly measure inlet/outlet sizes, and provide a step-by-step installation walkthrough to upgrade your vehicle’s look.
What Is a Cat-Back Exhaust?
A clear guide to cat-back exhaust systems, covering sound, performance, legality, materials, and how to choose the right setup for petrol or diesel vehicles.
Do Exhaust Tips Change Sound?
Author: John Lee, SPELAB Mechanical Engineer. Updated on July 7, 2026. Quick Answer: Do Exhaust Tips Change Sound? Yes, exhaust tips can change sound, but the difference is usually subtle....
Straight Pipe Exhaust for Diesel Trucks: What It Changes, Costs, and Legal Risks
This guide explains what a straight pipe exhaust is, how it differs from stock diesel exhaust systems, and the real-world pros, cons, cost considerations, and situations where it may or...
What Is a Turbo Back Exhaust? Turbo Back vs Cat Back, DPF-Back & Delete Pipe
A practical diesel truck guide explaining turbo back exhaust systems, delete pipe differences, tuning needs, fitment checks, pipe size choices, sound changes, and legal-use warnings.
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