Magnaflow
Exhaust, Mufflers & Tips › Catalytic Converter Direct Fit
MAG Converter Direct Fit
Part # mag21-178 MFR # 21-178 UPC 888563178370 ID 487528
MagnaFlow Direct Fit Catalytic Converter 2009-2015 CTS V8 6.2 OEM Underbody
✓ In Stock (4 locations)
$675.00
MAP price — best available price
Free ground shipping on eligible orders
⚠️ Not CARB Approved — Race/off-road use only. Not legal for street use on California-registered vehicles.
⚠️ CARB Acknowledgment Required — Buyer must confirm emissions compliance at checkout.
Identification
| Brand | Magnaflow |
|---|---|
| Part Number | mag21-178 |
| MFR Part # | 21-178 |
| UPC / Barcode | 888563178370 |
| Item ID | 487528 |
| Price Group | Magnaflow |
| Born-On Date | 2022-03-01 |
| Category | Exhaust, Mufflers & Tips |
| Subcategory | Catalytic Converter Direct Fit |
Dimensions & Shipping
| Dimensions | 21.1" × 9.8" × 6.0" (L×W×H) |
|---|---|
| Weight | 4.50 lbs |
| LTL Freight | Standard Parcel |
| Air Shipping | Eligible |
Stock & Availability
| Status | ✓ In Stock (4 locations) |
|---|---|
| Warehouses |
● 01
● 02
● 03
● 59
|
| Regular Stock | No |
| Powersports | No |
Compliance & Regulations
| Prop 65 | No Warning |
|---|---|
| CARB | Not CARB Approved |
| CARB Ack. | Required |
| EPA | Compliant |
| Active | Active |