index
FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150 FREE SHIPPING ON ORDERS OVER $150
  • now in stock

  • BODY
    KITS

up to 35% off

  • Air
    Suspensions

Bestsellers

Check out the most popular products.
Photo - Primary
Quickshop The all-new 2015-2017 Mustang 5.0L ROUSH V8 Cold Air Kit is more...
Photo - Primary
Quickshop This 7” tall 360-degree radial flow air filter features a 6" flange...
Photo - Primary
Quickshop Get the stance you want and the performance you need with Air...
Air Suspension Kits Air Lift Performance 02-07 Infiniti G35 / 03-08 Nissan 350Z Front Kit
Regular price $1,112.99 $1,455.99 Sale price
Add to Cart
Photo - Primary
Quickshop Weapon R 07-08 Nissan 350Z Twin Throttle Body Secret Weapon Intake
Photo - Primary
Quickshop KW V2 INOX-LINE coilovers are the perfect solution for drivers who want...
Photo - Primary
Quickshop The KW V1 INOX-LINE coilover kit is our entry point into our...
Photo - Primary
Quickshop GReddy Nissan 350z (Z33) Pandem Wide Body Front Bumper
Bumper Covers - Front GReddy Nissan 350z (Z33) Pandem Wide Body Front Bumper
Regular price $1,213.99 $1,277.42 Sale price
Add to Cart
Photo - Primary
Quickshop Constructed from solid steel, weighing in at nearly two full pounds, and...
Shift Knobs Mishimoto Weighted Shift Knob XL Black (Knurled)
Regular price $94.99 $104.00 Sale price
Add to Cart
User 1
Quickshop NRG FRP Bucket Seat PRISMA Oriental Longivity Plate Edition W/ Gold Pearlized...
Photo - Primary
Quickshop Is your engine choking for air and in need of some additional...
other popular
categories
Check out the most popular categories.

ABOUT UNDERGROUND DYNAMICS

Underground Dynamics was created in 2007,fueled by our intense passion for vehicles our goal is to be come your number one source for all automotive parts.

Black acura tsx with lowered suspension and custom multi-spoke alloy wheels.
A sleek, modern logo featuring a stylized interlocking ’u’ and ’d,’ rendered in bold olive green and crisp white against a dark background.

Premium Carbon Fiber Body Kits & Aerodynamic Performance Parts

Transform your vehicle with Underground Dynamics—the ultimate destination for high-quality body kits, lip kits, fenders, hoods, and suspension upgrades. We specialize in carbon fiber and fiberglass aerodynamic components designed for street performance and track racing enthusiasts.

Wide Selection of Performance Aero Parts

Browse our extensive collection of premium automotive upgrades for popular makes and models including Honda Civic, Subaru BRZ, Scion FR-S, Toyota Supra, Nissan 350Z, Mazda Miata, Ford Mustang, Chevrolet Camaro, Infiniti G35, Acura TL, and Honda Accord.

Underground Dynamics Blog

Your go-to source for expert aftermarket auto parts knowledge you can trust.

Nissan’s 350Z didn’t become a drift icon because of nostalgia. It earned it with the right numbers: VQ torque, RWD balance, and a chassis that takes abuse and comes back for more. This post breaks down the specs that matter, why the Z33 took over US drift lots, and a practical build path that prioritizes consistency—diff, suspension, alignment, and functional aero—before chasing power.

read more
FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS FREE* SHIPPING ON ORDERS OVER $150 30-DAY RETURNS