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DynomaxPart #: 54778

Dynomax 54778 Exhaust Muffler Assembly - Right
⚙️ 21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$301.57Free 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
📦Ultra Flo Welded Direct Fit, Right
🚗Fitment: Jeep, Grand Cherokee
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Dynomax 54778 Exhaust Muffler Assembly - Right
| Brand | Dynomax |
| Part Number | 54778 |
| Position | Ultra Flo Welded Direct Fit, Right |
| Finish | Natural |
| Inlet Type | Pipe connection |
| Outlet Type | Tip |
| Inlet Inside Diameter | 2.5 |
| Body Height | 4.5 |
| Body Length | 10 |
| Overall Length | 40 |
| Automotive Item Grade | High performance part |
| Body Height | 4.500 in. |
| Body Length | 10.000 in. |
| Body Material | Stainless steel |
| Body Width | 9.75 |
| Body Width | 9.750 in. |
| Finish | Natural |
| Fitment | Direct oe replacement |
| Grade Type | Performance |
| Inlet 1 Inside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Connection Type | Pipe |
| Inlet Diameter Designation | Inside diameter |
| Inlet Inside Diameter | 2.500 in. |
| Inlet Offset | 2.625 |
| Inlet Position | Center |
| Inlet Quantity | 1 |
| Inlet Type | Single center |
| Main Piping Diameter | 4.000 in. |
| Material | 409 stainless steel |
| Max Year Covered | 2015 |
| Min Year Covered | 2011 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Jeep | Grand Cherokee | 5.7L | V8 | Right | Ultra Flo Welded Direct Fit | |
| 2015 | Jeep | Grand Cherokee | Overland | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2015 | Jeep | Grand Cherokee | Laredo | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2015 | Jeep | Grand Cherokee | Limited | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2014 | Jeep | Grand Cherokee | 5.7L | V8 | Right | Ultra Flo Welded Direct Fit | |
| 2014 | Jeep | Grand Cherokee | Overland | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2014 | Jeep | Grand Cherokee | Laredo | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2014 | Jeep | Grand Cherokee | Limited | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2013 | Jeep | Grand Cherokee | 5.7L | V8 | Right | Ultra Flo Welded Direct Fit | |
| 2013 | Jeep | Grand Cherokee | Overland | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2013 | Jeep | Grand Cherokee | Laredo | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2013 | Jeep | Grand Cherokee | Limited | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2012 | Jeep | Grand Cherokee | 5.7L | V8 | Right | Ultra Flo Welded Direct Fit | |
| 2012 | Jeep | Grand Cherokee | Overland | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2012 | Jeep | Grand Cherokee | Laredo E | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2012 | Jeep | Grand Cherokee | Laredo X | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2012 | Jeep | Grand Cherokee | Overland Summit | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2012 | Jeep | Grand Cherokee | Laredo | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2012 | Jeep | Grand Cherokee | Limited | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
| 2011 | Jeep | Grand Cherokee | 5.7L | V8 | Right | Ultra Flo Welded Direct Fit | |
| 2011 | Jeep | Grand Cherokee | 3.6L | V6 | N/A | Ultra Flo Welded Direct Fit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.