H&R 98-04 Audi A6 Avant Quattro (AWD) Race Spring - 29798-1 fits_2013-2018`Mazda`3 The roto-molded housing is made

The roto-molded housing is made out of cross-linked polyethylene red

Crafted from 100% pre-preg 3K Twill-Weave Dry Carbon Fiber and cured using advanced autoclave vacuum technology these side skirts deliver exceptional strength-to-weight performance while enhancing the aggressive profile of your M3

On top of that

Each of our cores are strictly quality controlled to ensure they can handle all of the boost you can throw at them

Includes bung for simple integration of methenol injection

H&R 98-04 Audi A6 Avant Quattro (AWD) Race Spring - 29798-1 fits_2013-2018`Mazda`3 The roto-molded housing is madeH&R Race Springs are designed for high performance drivers'who want the most out of their vehicles. When the need for uncompromised handling performance becomes a priority, H&R Race Springs will provide over the top race ready performance and appearance. They help balance vehicle weight for improved performance and control, while lowering the center of gravity. Features & Benefits (hf) 54SiCr6 Spring Steel, Shot Peened, Block Set, Lightweight, Strong