Astra H MK5 Z20LET Z20LEH enlarged top hat kit ATMSVAUX1

For Astra H (MK5) owners running Z20LET or Z20LEH 2.0T engines - this is the enlarged top hat kit that actually moves air, not just marketing copy.

• Stage 1 fast road and track day fit: replaces the restrictive OEM top hat to reduce turbo lag and improve throttle response
• Bolt-on to stock intercoolers and most aftermarket kits - including AIRTEC, CUSCO, and other 2.5″-inlet systems
• Includes 2.5″ 90° aluminium hard pipe, CNC-machined top hat, silicone joiners and full hardware - no drilling, no trimming, no guesswork
• Also searched as: Astra MK5 decat pipe upgrade, Z20LET charge pipe mod, Astra H top mount intercooler adapter, fast road top hat

AIRTEC part no: ATMSVAUX1 - because race car.