/live/media/WK/WK_40370_Fro.jpg)
OE Quality
60-Day Returns
WalkerPart #: 40370
Walker 40370 Exhaust Y Pipe
⚙️ 22 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$126.23Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-100, F-150, and F-250
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Exhaust Y Pipe options
Walker 40370 Exhaust Y Pipe
| Brand | Walker |
| Part Number | 40370 |
| Outlet Outside Diameter | 2.5 |
| Length | 23 |
| Grade Type | Regular |
| Bend Type | Compression |
| Finish | Aluminized |
| Inlet Quantity | 2 |
| Inlet Type | 2 bolt loose flange with flare |
| Material | Steel |
| Mounting Hardware Included | No |
| Outlet Quantity | 1 |
| Outlet Type | Pipe connection |
| Pipe Wall Thickness | 0.054 |
| Universal Or Specific Fit | Specific |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1979 | Ford | F-100 | RWD | 6.6L | V8 | N/A | ||
| 1979 | Ford | F-100 | RWD | 5.8L | V8 | N/A | ||
| 1979 | Ford | F-150 | RWD | 6.6L | V8 | N/A | ||
| 1979 | Ford | F-150 | RWD | 5.8L | V8 | N/A | ||
| 1979 | Ford | F-250 | RWD | 5.8L | V8 | 139.0" | N/A | |
| 1979 | Ford | F-250 | RWD | 6.6L | V8 | 133.0" | N/A | |
| 1979 | Ford | F-250 | RWD | 6.6L | V8 | 155.0" | N/A | |
| 1979 | Ford | F-250 | RWD | 6.6L | V8 | 139.0" | N/A | |
| 1979 | Ford | F-250 | RWD | 5.8L | V8 | 155.0" | N/A | |
| 1979 | Ford | F-250 | RWD | 5.8L | V8 | 133.0" | N/A | |
| 1978 | Ford | F-100 | RWD | 6.6L | V8 | N/A | ||
| 1978 | Ford | F-100 | RWD | 5.8L | V8 | N/A | ||
| 1978 | Ford | F-150 | RWD | 6.6L | V8 | N/A | ||
| 1978 | Ford | F-150 | RWD | 5.8L | V8 | N/A | ||
| 1978 | Ford | F-250 | RWD | 6.6L | V8 | 133.0" | N/A | |
| 1978 | Ford | F-250 | RWD | 5.8L | V8 | 133.0" | N/A | |
| 1977 | Ford | F-100 | RWD | 6.6L | V8 | N/A | ||
| 1977 | Ford | F-100 | RWD | 5.8L | V8 | N/A | ||
| 1977 | Ford | F-150 | RWD | 6.6L | V8 | N/A | ||
| 1977 | Ford | F-150 | RWD | 5.8L | V8 | N/A | ||
| 1977 | Ford | F-250 | RWD | 5.8L | V8 | 133.0" | N/A | with Catalytic Converter |
| 1977 | Ford | F-250 | RWD | 6.6L | V8 | 133.0" | N/A | with Catalytic Converter |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
D9TZ5246AB
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.