IS MY MOD LEGAL?

Blog

Vehicle modification laws, tips, and culture. New posts every Monday, Wednesday, and Friday.

Mod Deep-Dive2026-08-28

Five States Changed Their Tint Laws — and Most Tint Charts Haven't Noticed

Delaware went to 50% this August. Iowa changed in July. Louisiana, Hawaii, and North Dakota all rewrote their limits since 2025. If your tint chart still shows the old numbers, here's what's actually legal now.

Mod Deep-Dive2026-08-28

The Carolina Squat Ban Is Now Law in Four States

South Carolina started it, North Carolina and Mississippi followed, and Arkansas made it strict liability in 2025. Here's exactly what each law measures, what it costs, and why a level lift is still fine.

Close-up of blue exhaust pipes on a car.
How-To2026-04-24

Your Mod Money Protection Plan: How to Document Vehicle Modifications for Legal Peace of Mind

Picture this: You're cruising down the highway in your pride and joy – a tastefully modified ride that's taken months of careful planning and hard-ear

Close-up of a car headlight
Mod Deep-Dive2026-04-22

Smoked Headlights Are Illegal in All 50 States — Here's Why the Charts Say Otherwise

We checked the lamp statute in every state. Not one permits aftermarket headlight or taillight tint. The guides claiming 7 states allow it are quoting candlepower minimums that don't exist.

Close-up of a car's dual exhaust pipes
Mod Deep-Dive2026-04-22

Aftermarket Exhaust: Every State Requires a Muffler, Almost None Set a Decibel Limit

Every state requires a working muffler and bans cutouts — but only three set an actual decibel number. We verified the exhaust statute in all 50 states.

gray suv parked near white and blue signage during daytime
State Spotlight2026-04-20

Beehive State Builds: Why Utah's Car Modification Laws Are a Mixed Bag for Enthusiasts

If you're a car enthusiast in Utah, you've probably noticed something interesting about the modification scene here. Unlike some states that either em

Close-up of blue exhaust pipes on a car.
How-To2026-04-17

What Happens If You Get Pulled Over With Illegal Modifications: Your Complete Survival Guide

Picture this: you're cruising down the highway in your pride and joy—lowered suspension, aftermarket exhaust rumbling, and tinted windows that took yo

black and red computer keyboard
Mod Deep-Dive2026-04-15

The 95-Decibel Myth: Your State Probably Has No Exhaust Noise Number at All

The 95 dB rule is quoted on every car forum as if it were national law. We read the statute in all 50 states: it is real law in exactly three. Here is what the rest actually say.

A vintage, classic car is shown in black and white.
State Spotlight2026-04-13

Music City Modifications: Why Tennessee Strikes the Perfect Balance for Car Enthusiasts

If you've ever cruised down Broadway in Nashville or wound through the Smoky Mountains with your modified ride, you know Tennessee has something speci

Close-up of blue exhaust pipes on a car.
How-To2026-04-10

How to Research Mod Laws Before Starting Your Build: A Complete Guide for Smart Modders

Nothing kills the excitement of a fresh build like discovering your dream modifications are illegal in your state. Whether you're planning a weekend w

an old truck with an american flag on top of it
State Spotlight2026-04-06

Mount Rushmore Modding: Why South Dakota is a Hidden Paradise for Car Enthusiasts

Pull into any gas station in Rapid City or cruise down I-90 through Sioux Falls, and you'll notice something pretty sweet about South Dakota's car sce

Close-up of blue exhaust pipes on a car.
How-To2026-04-03

The Newbie's Guide: 5 Legal Modification Mistakes That Could Cost You Big

So you just bought your first project car and you're itching to make it your own. Instagram is full of sick builds, YouTube tutorials make everything

white SUbaru Impreza sedan on road
Mod Deep-Dive2026-04-01

Lighting Up the Legal Gray Zone: The Truth About Vehicle LED Light Bars and Road Laws

The aftermarket automotive lighting scene has exploded in recent years, with LED light bars becoming the go-to modification for off-road enthusiasts,

South Caroline State Line street sign
State Spotlight2026-03-30

South Carolina Mod Laws: Permissive on Paper, With Three Rules That Bite

South Carolina gives modders real freedom — no lift height cap, no decibel limit, no wheel-protrusion rule. But it originated the Carolina squat ban, and two other rules catch people out. Verified against the statutes in August 2026.