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.
What Does an Intercooler Do? A Comprehensive Guide to Boost and Performance
Boost performance with our expert guide on intercoolers. Learn how they work with headers to cool intake air, increase horsepower, and compare key designs like tube-and-fin versus bar-and-plate for diesel...
Air-to-Air vs. Air-to-Water Intercoolers: Which One Makes Sense?
A clear comparison of air-to-air and air-to-water intercoolers, including how they work, their trade-offs, and which setup fits diesel truck use best.
Duramax LB7 Up Pipes: A Comprehensive Guide to Function, Performance, and Repair
Author: SPELAB Mechanical Engineer (focusing on car modification for 10 years) We all are aware of the fact the engine produces power by burning fuel. And, to get the maximum...
How Much Horsepower Does a Cold Air Intake Add?
Updated on May 8, 2026. Quick Answer: A cold air intake typically adds about 5–15 horsepower on many vehicles. Larger engines, turbocharged setups, diesel trucks, or vehicles paired with proper...
How Does an Intercooler Work? Maintenance & Troubleshooting Guide
A practical guide to intercooler airflow, routine inspection, common symptoms, and troubleshooting steps for diesel truck charge-air systems.
7.3L Powerstroke Up Pipes: The Ultimate Guide to Performance, Types, and Repairs
Updated on July 17, 2026. A 7.3L Power Stroke up pipe carries exhaust gas from the exhaust manifolds into the turbocharger, so a leak at this joint can make an...
What Exactly Does a Cold Air Intake Do?
Updated on June 8, 2026. Quick Answer: A cold air intake helps an engine pull in cooler, less restricted air than many factory intake setups. On the right vehicle, it...
Which Side of an Exhaust Gasket Goes Toward the Head?
Updated on May 11, 2026. Quick Answer: In most cases, the smooth side of an exhaust manifold gasket goes against the cylinder head, while the rougher, raised, or more textured...
How to clean exhaust valves without removing head?
Author: SPELAB Mechanical Engineer (focusing on car modification for 10 years) The exhaust valves are a very critical component of an engine’s respiratory system, as they control the flow of...
How Much Does a Custom Exhaust Cost? A Practical Price Guide
Updated on April 19, 2026. TL;DR: A custom exhaust typically costs $150 to $2,000+, depending on vehicle type, materials, fabrication work, and system design. Simple muffler upgrades cost less, while...
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