Description
MagnaFlow Muff GP 3.5in Dia 16in Overall Length 2.25in Inlet / 2.25in Outlet
The MagnaFlow 3.5in. Round Glasspack Performance Exhaust Muffler 18115 enhances your ride with the deep, classic sound that glasspack mufflers are known for. The round muffler body features a free-flowing reversible straight-through 2.25/2.25in. diameter configuration and single stage packing with a satin finish. This weight-optimized glasspack muffler is engineered to bring out the inner hot rod in your ride with plenty of volume and dyno-proven performance, so please check to ensure compliance with local noise regulations. 18115 offers flexibility when it comes to installation thanks to its universal design, however, professional installation is recommended. Muffler 18115 is made of corrosion resistant aluminized steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's 90-day limited construction warranty.
Additional Information
Magnaflow Glasspack Performance Muffler; 2.25in. Center/Center; 3.5x12x3.5 Body
Part Type
Exhaust Muffler
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:00:20
Features
- Anti-Corrosive Aluminized Body
- Dyno Proven
- Straight-Through Performance Design
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Body Diameter: | 3.5 x 3.5 |
| Body Finish: | Aluminized |
| Body Height: | 3.500 in. |
| Body Length: | 12.000 in. |
| Body Material: | Aluminized Steel |
| Body Shape: | Round |
| Body Width: | 3.500 in. |
| Core Diameter: | 2.25 |
| Core Size: | 2.25 |
| Description: | Glasspack Performance Muffler; 2.25in. Center/Center; 3.5x12x3.5 Body |
| Exhaust Tip Quantity: | 0 |
| Finish: | Aluminized |
| Hanger Included: | No |
| Inlet Diameter: | 2.25 |
| Inlet Inside Diameter: | 2.250 in. |
| Inlet Outside Diameter: | 2.250 in. |
| Inlet Position: | Center |
| Inlet Quantity: | 1 |
| Inlet Type: | Center |
| Main Piping Diameter: | 2.250 in. |
| Material: | Aluminized |
| Muffler Configuration: | Center/Center |
| Muffler Overall Length: | 16.000 in. |
| Muffler Type: | Glasspack |
| Outlet Diameter: | 2.25 |
| Outlet Inside Diameter: | 2.250 in. |
| Outlet Outside Diameter: | 2.250 in. |
| Outlet Position: | Center |
| Outlet Quantity: | 1 |
| Outlet Type: | Center |
| Overall Length: | 16 |
| Part Number: | mag18115 |
| Removable Core: | No |
| Reversible: | Yes |
| Series: | Glasspack |
| Shape: | Round |
| Subtitle: | Performance Muffler |
| Subtitles: | Center/Center |
| Tip Quantity: | 0 |
| Title: | MagnaFlow 3.5in. Round Glasspack Performance Exhaust Muffler 18115 |
| Type: | Glasspack |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Magnaflow, MagnaFlow Exhaust Products, MAGNAFLOW PERF EXHAUST, Magnaflow Performance |
| StreetFX SKU | mag18115 |
| SFX Item ID | 4284283 |
| Accounting SKU | mag-18115 |
| Manufacturer SKU | 18115 |
| Manufacturer UPC | 888563071718 |
| Alternative References | 18115, MFL18115, MPE-18115 |
Muffler, Glasspack, Steel, Aluminized, 2.25 in. Inlet/2.25 in. Outlet, 16 in. Length, Each
MagnaFlow glasspack mufflers feature a free-flowing, straight-through, perforated core and non-fiberglass acoustic packing material. They deliver a smooth, deep tone to your rat rod, street/strip machine, or classic musclecar. These exhausts are built from 100 percent aluminized steel with precision robotic CNC welding. Order the model with the inlet/outlet diameters and overall length needed for your application.
| Product Attributes | |
|---|---|
| Brand | MagnaFlow |
| Manufacturer's Part Number | 18115 |
| Part Type | Mufflers |
| Product Line | MagnaFlow Glasspack Mufflers |
| UPC | 888563071718 |
| Muffler Material | Steel |
| Inlet Diameter (in.) | 2.25 in. |
| Outlet Diameter (in.) | 2.25 in. |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Internal Construction | Glasspack |
| Inlet Location | Center |
| Outlet Location | Center |
| Case Shape | Round |
| Reversible | Yes |
| Muffler Finish | Aluminized |
| Case Exterior Length (in.) | 12.00 in. |
| Case Outside Diameter (in.) | 3.50 in. |
| Overall Length (in.) | 16.00 in. |
| Outlet Style | Standard, without tip |
| Remanufactured | No |
| Quantity | Sold individually. |
| Manufacturer Attributes | |
|---|---|
| Exhaust Tip Quantity | 0 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Body Length | 12 |
| Overall Length | 16 |
| Inlet Inside Diameter | 2.25 |
| Outlet Inside Diameter | 2.25 |
| Core Diameter | 2.25 |
| Body Height | 3.5 |
| Body Width | 3.5 |
| Body Material | Aluminized Steel |
| Inlet Type | Center |
| Outlet Type | Center |
| Muffler Type | Glasspack |
| Hanger Included | No |
| Shape | Round |
| Reversible | Yes |
| Finish | Aluminized |
| Series | Glasspack |
| Title | MagnaFlow 3.5in. Round Glasspack Performance Exhaust Muffler 18115 |
| Manufacturer Designation | Glasspack Performance Muffler; 2.25in. Center/Center; 3.5x12x3.5 Body |
| Product Class | Exhaust Muffler |
| Construction/Type | Magnaflow Glasspack Performance Muffler; 2.25in. Center/Center; 3.5x12x3.5 Body |
| Product Outline | Straight-through performance design Anti-corrosive aluminized body Dyno Proven |
| Vehicle Brief | Exhaust Muffler |
| Market Description | The MagnaFlow 3.5in. Round Glasspack Performance Exhaust Muffler 18115 enhances your ride with the deep, classic sound that glasspack mufflers are known for. The round muffler body features a free-flowing reversible straight-through 2.25/2.25in. diameter configuration and single stage packing with a satin finish. This weight-optimized glasspack muffler is engineered to bring out the inner hot rod in your ride with plenty of volume and dyno-proven performance, so please check to ensure compliance with local noise regulations. 18115 offers flexibility when it comes to installation thanks to its universal design, however, professional installation is recommended. Muffler 18115 is made of corrosion resistant aluminized steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's 90-day limited construction warranty. |
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