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Refine the exhaust note with application-matched routing
MBRP S4703304 is a catback identified by its exact manufacturer part number. It is vehicle specific, so the listed years, make, model, engine, drivetrain, body, wheelbase, and factory-exhaust restrictions control compatibility.
Key Features
- Exact MBRP S4703304 vehicle-specific configuration
- T304 Stainless Steel
- 2.5-Inch
- Street Profile Dual Wall, Angle Cut, 4-Inch Outlet Crafted of mirror-polished T304 Stainless Steel, this tip style features two walls of steel, brought together to look like one thick wall. It has a performance look with the functional benefits of being extremely durable and keeping heat away from surrounding body panels.
- Warranty: Lifetime Warranty
Fitment
| Years | Make | Model | Verified Application |
|---|---|---|---|
| 2013-2017 | Hyundai | Veloster | Manufacturer-listed application |
Confirm the complete S4703304 application and all manufacturer restrictions before removing the original exhaust.
Specifications
| Detail | Value |
|---|---|
| Manufacturer | MBRP |
| Manufacturer Part Number | S4703304 |
| Product Type | Catback |
| Fitment Scope | Vehicle specific |
| Tubing or Connection Size | 2.5 inch |
| Material | T304 Stainless Steel |
| Tubing Size | 2.5-Inch |
| Series | ARMOR Pro |
| Warranty | Lifetime Warranty |
| Profile | Street Profile Dual Wall, Angle Cut, 4-Inch Outlet Crafted of mirror-polished T304 Stainless Steel, this tip style features two walls of steel, brought together to look like one thick wall. It has a performance look with the functional benefits of being extremely durable and keeping heat away from surrounding body panels. |
| Type | Cat-Back |
| Fuel Type | Gasoline |
| Condition | New |
| Warranty | Lifetime Warranty |
What's Included
- One complete MBRP S4703304 catback in the exact manufacturer configuration
- Only application-specific pipes, mufflers, tips, clamps, hangers, and hardware stated or shown for this exact kit are included
- Unlisted emissions components, adapters, sensors, tools, and unrelated exhaust sections are not included
About MBRP
MBRP develops application-specific performance exhaust systems and precision exhaust components across multiple materials, profiles, and sound levels. Always match the exact product configuration and current manufacturer application data.
Related Parts
- Use only clamps, adapters, hangers, tips, and replacement sections that match the exact diameter and connection style
- Confirm any downpipe, mid-pipe, muffler, resonator, or tail section against the same vehicle and exhaust configuration
- Do not use a related SKU with a different material, finish, size, side, profile, engine, body, or emissions configuration
FAQ
What is the S4703304?It is MBRP's exact catback configuration described on this page.
Is this part vehicle specific?Yes. Use it only for the verified applications and restrictions in the fitment table.
What should be checked before ordering?Confirm year, make, model, engine, drivetrain, body, wheelbase, original exhaust, emissions equipment, and every stated exclusion.
What material is used?T304 Stainless Steel
Are all installation parts included?Only components explicitly shown or listed for this exact configuration are included. Do not assume unrelated clamps, adapters, gaskets, sensors, or tools are supplied.
Can it be combined with another exhaust system?Only when every diameter, connection, routing, clearance, material, and application requirement is compatible. Do not substitute a related part number.
Do emissions rules apply?Yes. Retain every required emissions device and follow current federal, state, and local sale, installation, noise, and use requirements.
What should be checked after installation?Inspect alignment, body and chassis clearance, joint sealing, hanger position, and clamp torque after the first complete heat cycle.
Installation Instructions
- Allow the exhaust to cool completely and support the vehicle at approved lifting points.
- Compare the new part with the original connection, routing, dimensions, hangers, clearances, and emissions requirements before removal.
- Remove only the components identified by the manufacturer and retain any factory hardware or emissions device specified for reuse.
- Test-fit every section and connection before fully tightening clamps or fasteners.
- Align the part away from body panels, wiring, hoses, fuel and brake lines, suspension, drivetrain, spare tire, and heat-sensitive components.
- Tighten all connections in the manufacturer sequence, start the vehicle, and inspect for leaks or contact.
- Recheck alignment and fastener torque after the first complete heat cycle.
California Proposition 65 Warning: This product may expose you to chemicals including nickel and chromium compounds known to the State of California to cause cancer, birth defects, or other reproductive harm. See www.P65Warnings.ca.gov.
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