Maxton Design - STREET PRO REAR VALANCE (+FLAPS) OPEL ASTRA GTC OPC-LINE J (2011-2018) Precision 7270 Standard Blade etc

Standard Blade etc

Larger pipework to reduce restriction and improve flow

these can help fitting with big boost pipe kits & aftermarket Intercoolers

6L Chevrolet Silverado HD 5500 turbo to reduce excess heat within your engine bay

Maxton Design - STREET PRO REAR VALANCE (+FLAPS) OPEL ASTRA GTC OPC-LINE J (2011-2018) Precision 7270 Standard Blade etcSTREET PRO REAR VALANCE (+FLAPS) OPEL ASTRA GTC OPC LINE J (2011 2018) Upgrade your ASTRA GTC with this aggressive and functional Street PRO rear diffuser. Designed for perfect fitment and lasting performance, it's the ideal addition for enthusiasts seeking both style and substance. Fitment: OPEL ASTRA GTC OPC LINE J (2011 2018) Whats Included: Maxton Racing Rear Diffuser Complete Mounting Kit Key Features & Benefits: Premium Material: Made from high