Supersprint Alpina E36 B6 Stainless Steel Connecting Pipes Kit - for OEM Manifold S5 - B9 (2017+)(S) The factory S58 airbox is

The factory S58 airbox is designed to balance noise reduction

- MSAU765: Rear Silencer (80mm Version)

Designed for performance enthusiasts who value both craftsmanship and sound refinement

Designed for engines including the N20

The Ultra Racing 2-Point Front Strut Bar (SKU: UR-TW2-069) is a precision-engineered chassis brace designed specifically for the BMW E30 (1982-1994)

Supersprint Alpina E36 B6 Stainless Steel Connecting Pipes Kit - for OEM Manifold S5 - B9 (2017+)(S) The factory S58 airbox isThe Supersprint Connecting Pipes Kit Right Left for OEM Manifold is a precision, direct fit stainless steel upgrade engineered for the Alpina E36 B6. It replaces the restrictive factory component to free up exhaust flow, sharpen throttle response and give your Alpina a deeper, more purposeful note. Supersprint has been handcrafting performance exhausts in Mantova, Italy since 1955. Every system is designed and validated on the dyno not by assumption