Performance Tuning Hub

Your ultimate resource for automotive tuning, installation guides, and performance part reviews.


2006-2011 Honda Civic 8th Gen Performance Upgrades and Tuning

How to Install a Manual Boost Controller on a Turbo Honda Civic R18

Step-by-step guide to installing a Forge manual boost controller on...
3 min read
Honda Civic
2015-2021 Mercedes-AMG C63S W205 Performance Upgrades and Tuning

How to Tell if a Mercedes-AMG C63S Has the AMG Performance Exhaust

Learn how to verify if a W205 Mercedes-AMG C63S has...
3 min read
AMG Performance Exhaust
2006-2011 Honda Civic Si 8th Gen Performance Upgrades and Tuning

How to Install a J35 Throttle Body with P2R Spacer on 8th Gen Civic Si (RBC Manifold)

Learn how to port-match and install a larger J35 throttle...
3 min read
Engine Tune
2006-2011 Honda Civic Si 8th Gen Performance Upgrades and Tuning

DIY: How to Paint Your 8th Gen Honda Civic Si Intake Manifold Cover

Step-by-step guide to painting the silver intake manifold cover on...
3 min read
DIY Paint Guide
2015 GMC Terrain 1st Gen Performance Upgrades and Tuning

Should You Replace Ignition Coils With Spark Plugs? GMC Terrain Diagnosis

Replacing spark plugs on a GMC Terrain? Find out if...
2 min read
2.4L Ecotec
Porsche 911 992 Generation Performance Upgrades and Tuning

LiFePO4 Lithium Starting Batteries: Weight Savings vs. Real-World Reliability

Thinking of swapping your heavy lead-acid battery for a LiFePO4...
3 min read
Battery Management System
1998-2002 Pontiac Firebird Trans Am 4th Gen Performance Upgrades and Tuning

Do Downstream O2 Sensors Affect Gas Mileage? LS1 Diagnosis & Fix

Find out if downstream post-cat oxygen sensors affect fuel economy...
2 min read
Chevrolet Camaro LS1
1966-1970 Dodge Charger B-Body Performance Upgrades and Tuning

Classic Mopar B-Body Overheating at Idle: Radiator Core Differences & Fixes

Fix classic Mopar B-Body idling temperature spikes over 200°F. Learn...
3 min read
440 Big Block
1997 Jeep Wrangler TJ Performance Upgrades and Tuning

Jeep Wrangler TJ Radiator Upgrade Guide: 1-Core, 2-Core, or 3-Core?

Upgrading your Jeep Wrangler TJ radiator? Learn the mechanical differences...
3 min read
2.5L AMC Engine
1997-2003 BMW 540i E39 Performance Upgrades and Tuning

Will Replacing Old O2 Sensors Improve Gas Mileage? BMW E39 540i Diagnosis

Losing MPG with no Check Engine Light? Learn why aged...
3 min read
BMW 540i
1988 Chevrolet Corvette C4 Performance Upgrades and Tuning

C4 Corvette Radiator Guide: 1-Core vs 2-Core vs 3-Core Cooling Efficiency

Learn why tube size and airflow matter more than core...
3 min read
Aluminum Radiator
C4 Corvette Radiator Interchange Guide: 1984 vs. 1990+ Cooling Upgrades

C4 Corvette Radiator Interchange Guide: 1984 vs. 1990+ Cooling Upgrades

If your C4 Corvette is constantly fighting heat soak or...
3 min read
2004 Dodge Ram 5.9L Cummins Leaking Heater Core: Stop Leak or Permanent Fix?

2004 Dodge Ram 5.9L Cummins Leaking Heater Core: Stop Leak or Permanent Fix?

If your 5.9L Cummins is leaving a coolant puddle under...
3 min read
Dodge Ram
2006-2011 Honda Civic FG2 FA5 8th Gen Performance Upgrades and Tuning

DIY: 8th Gen Honda Civic Mishimoto Radiator and Silicone Hose Install

Step-by-step guide to installing an aftermarket Mishimoto aluminum radiator and...
3 min read
8th Gen Civic
2006-2011 Honda Civic 8th Gen Performance Upgrades and Tuning

How to Replace the Primary O2 Sensor on an 8th Gen Honda Civic

Step-by-step DIY guide to replacing the primary upstream O2 sensor...
3 min read
8th Gen Civic