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Vibrant StreetPower Round Muff 5inx9inx14in long Muff body 4in inlet I.D. x 4in outlet Center-Center

SKU: VIB1139

Mufflers

VIB Mufflers - StreetPower...

Vibrant StreetPower Round Muff 5inx9inx14in long Muff body 4in inlet I.D. x 4in outlet Center-Center

SKU: VIB1139

Mufflers

VIB Mufflers - StreetPower...

A$413.77
IN STOCK! Est Ship 3-5 days. In stock at 3 locations (more than 10 available)

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Description

Muffler - Streetpower - 4 in Center Inlet - 4 in Center Outlet - 18 x 7 in Round Body - 22 in Long - Stainless - Polished - Universal - Each

Vibrant StreetPower Round Muff 5inx9inx14in long Muff body 4in inlet I.D. x 4in outlet Center-Center

Vibrant Performance StreetPower Universal Mufflers offer a perfect balance of providing unrestricted exhaust flow thanks to Vibrant's signature "True Straight Through" while effectively controlling exhaust tone and drone due to the dense, multi-layer sound suppression materials packed into each of these mufflers. All StreetPower Universal Mufflers feature PREMIUM 304 Stainless Steel construction, polished to a beautiful mirror finish.

Part Type

Exhaust Muffler

Product Overview

Vibrant Performance stainless steel universal performance mufflers are densely packed with our premium multi-layered sound absorption materials, and manufactured from 304 stainless steel for optimum durability and corrosion resistance. Vibrant Performance universal mufflers are manufactured without tips and offer the installer the flexibility needed for custom exhaust fabrication. They are available in a variety of inlet/outlet combinations and inlet / outlet I.D. dimensions ranging from 2.25” to 4”.

Data: v4.2 - Upd: 2026-11-11 00:34:43

Features

  • A true straight through design
  • Densely packed with our premium multi-layer sound suppression materials that produce a very deep and distinctive exhaust note
  • Made from 304 stainless steel for optimum corrosion resistance

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 Height x Width (in):7
Body Length (in):18
Body Length:18
Body Shape:Round
Description:STREETPOWER Round Muffler
Inlet / Outlet I.D.:4
Inlet / Outlet Location:Center - Center
Inlet ID (in):4
Inlet ID (mm):101.6
Inlet ID:4in
Inlet Inside Diameter:4.000 in.
Inlet Position:Center
Inlet/ Outlet Orientation:Center-Center
Inlet/Outlet Orientation:Center-Center
Material:Stainless Steel
Muffler Body Height x Width:7in
Muffler O.D.:7
Muffler Shape:Round
Outer OD:4in
Outlet Inside Diameter:4.000 in.
Outlet OD (in):4
Outlet OD (mm):101.6
Outlet Position:Center
Outlet Type:Single; Straight Cut; Single Wall
Overall Length (in):22
Overall Length:22
Part Number:vib1139
Sale Segment:Mufflers & Resonators
Shape:Round
Tip Length (in):4
Tip Length:4in
Tip Shape:Round
Tip Style:Straight Cut, Single Wall
Tip:Single/ Dual: Single
Tip: Single/Dual:Single
Web Category:Mufflers and Resonators

Product Downloads

# Document Type Download
1. Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 13:39:00

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Vibrant, Vibrant Performance
StreetFX SKU vib1139
SFX Item ID 4089456
Accounting SKU vib-1139
Manufacturer SKU 1139
Manufacturer UPC 690092148324
Alternative References 1139, VPE-1139

Mufflers, StreetPower Performance, Round Case, Stainless Steel, Polished, Single 4.00 in. Center Inlet/Outlet, 22.000 in. Overall Length, Each

Vibrant Performance StreetPower Universal performance mufflers feature T304 stainless steel construction and True Straight Through perforated internals for unrestricted flow and maximum horsepower. StreetPower Universal mufflers produce that low, deep exhaust tone you crave! This great sound is achieved due to these mufflers being densely packed with premium, multi-layered sound absorption materials. Exhaust tips and inlet necks are TIG-welded for excellent weld durability. Give your street machine the ultimate in performance and sound with Vibrant Performance StreetPower Universal performance mufflers!

Product Attributes
UPC690092148324
BrandVibrant Performance
QuantitySold individually.
Part TypeMufflers
Case ShapeRound
ReversibleYes
Product LineVibrant Performance StreetPower Performance Universal Mufflers
Inlet LocationCenter
Inlet Quantity1
Muffler FinishPolished
Outlet LocationCenter
Outlet Quantity1
Muffler Material304 stainless steel
Inlet Diameter (in.)4.00 in.
Overall Length (in.)22.00 in.
Internal ConstructionPerforated stainless tube with packing
Outlet Diameter (in.)4.00 in.
Case Exterior Length (in.)18.00 in.
Manufacturer's Part Number1139
Case Outside Diameter (in.)7.00 in.

Manufacturer Attributes
Body Length 18
Body Shape Round
Inlet / Outlet I.D. 4
Inlet / Outlet Location Center - Center
Muffler O.D. 7
Overall Length 22
Sale Segment Mufflers & Resonators
Web Category Mufflers and Resonators
Manufacturer Designation STREETPOWER Round Muffler, 4" inlet/outlet (Center-Center)
Product Class Exhaust Muffler
Construction/Type STREETPOWER Round Muffler, 4" inlet/outlet (Center-Center)
Product Outline A true straight through design
Densely packed with our premium multi-layer sound suppression materials that produce a very deep and distinctive exhaust note
Made from 304 stainless steel for optimum corrosion resistance
Vehicle Brief S.S. UNIV MUFFLER
Market Description Vibrant Performance StreetPower Universal Mufflers offer a perfect balance of providing unrestricted exhaust flow thanks to Vibrant's signature "True Straight Through" while effectively controlling exhaust tone and drone due to the dense, multi-layer sound suppression materials packed into each of these mufflers. All StreetPower Universal Mufflers feature PREMIUM 304 Stainless Steel construction, polished to a beautiful mirror finish.

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