Milltek Large Bore Downpipe and Hi-Flow Sports Cat - 2023+ GR Corolla

SSXTY153

Fits with OE Secondary Cat Back Systems includes 200CPSI Catalyst in OE Secondary Cat Position - Requires Stage 2 ECU Software

• 1 x Turbo Downpipe
• 1 x Secondary Cat Bypass with 200 Cell High Flow Sport Cat 
• 1 x Adapter for Milltek Secondary Cat Bypass to OE Secondary Catback System

SSXTY154

Fits with Milltek Sport Secondary Cat Back Systems includes 200CPSI Catalyst in OE Secondary Cat Position - Requires Stage 2 ECU Software

• 1 x Turbo Downpipe
• 1 x Secondary Cat Bypass with 200 Cell High Flow Sport Cat 
• 1 x Link Pipe for Milltek Secondary Cat Bypass to Milltek Secondary Catback