AMS Performance Street Lower Downpipes with GESI high-flow catalytic converters for the twin-turbo Nissan VR30DDTT (Infiniti Q50/Q60 Red Sport, Z). Mandrel-bent stainless construction with long gradual transitions keeps exhaust velocity high and back pressure low for quicker spool, improved turbo response and more power, while the GESI cats keep the car street-friendly.
| Type | Street lower downpipes with GESI cats |
| Material | Mandrel-bent stainless steel |
| Engine | Nissan/Infiniti VR30DDTT |
| Config | Pair (twin turbo) |
| Part Number | AMS.53.05.0001-2 |
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