ZR2/AT4X Spec Active Exhaust Calibration - GM (85822149)
Genuine OEM GM Parts & Accessories - 85822149
- GM
- 85822149
- MSRP: $395.00
- Discount: $69.12 (17.5% off)
- Sale Price: $325.88
Details
- Brand:
- SKU:
85822149
- Other Names:
Envelope Pkg
- Description:
Give your vehicle a more aggressive sound with a GMC Accessories Active Exhaust Calibration. When in Sport mode, this calibration changes when and how much the active exhaust valves open making for a louder exhaust note at startup, while cruising and under wide-open throttle. Compatible with 2025+ models with a 6.2L V8 engine (also known as L87). Installation by an authorized GMC Dealer is required.
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