How Much Faster Does The Jb4 - Make Your Car

HOW Much Faster Does The "JB4" - Make Your car? | KIA STINGER GT2

JB4 vs Flash Tuning: How should you be tuning your BMW in 2024?

Aperture Motorsports

HOW MUCH HP DOES A JB4 TUNED M235i MAKE?

Low Boost Films

WAS THE JB4 TUNE WORTH $500?

Are Piggyback Tunes Safe For Your Engine and Is It Worth It?

Know Your Mods Ep9 : Tuners - Burger Motorsport JB4

The Hidden Benefits and Surprising Results of My Kia Stinger JB4 Experience!

BMW N54 MHD vs JB4 Stage 1 0-100km/h: What's faster?

Making my BMW M340i faster using JB4!!

HOW MUCH POWER DOES A JB4 REALLY MAKE ON A MK8 GOLF R?

Regal Autosport

JB4 Map 2 Stinger GT - First Reactions

Joshua Gathings

Is JB4 The Best Mod Ever For Your BMW?!

USP Motorsports

Kia Stinger JB4 Map 2--Does it make a difference??

HOW MUCH POWER DOES A JB4 POWERED MK8 VW GTI MAKE?!?!

How to make 450 WHP on your KIA Stinger!

Kinetic Autoworks

Fastest JB4 MK5 Supra Setup (500whp?)

RACECHIP Tuning Box's - Do They WORK? DYNO TEST RESULTS!

BMW B58 M340i JB4 TUNE DIY INSTALL! FAST!

If You Have A JB4 On Your Car , You Need This Device !!

WATCH THIS BEFORE YOU TUNE YOUR XDRIVE BMW! | JB4 M340I DYNO SESSION GOES WRONG!!!