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Borla 11-12 Ford Mustang GT 5.0L 8cyl 6spd RWD S-Type Exhaust (rear section only)

SKU: BOR11789

Exhaust Systems

BOR Axle Back S-Type...

Borla 11-12 Ford Mustang GT 5.0L 8cyl 6spd RWD S-Type Exhaust (rear section only)

SKU: BOR11789

Exhaust Systems

BOR Axle Back S-Type...

A$2,597.64
IN STOCK! Est Ship 3-5 days. In stock at 1 location (5 available)

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Description

ExhstSysKt

S-Type Axle-Back system. Features bright chrome on T-304 stainless steel tips. Borla(r) Cat-Back(tm) & Axle-back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Additional Information

S-Type Axle-Back Exhaust System For 2011-2012 Ford Mustang GT/ 2012 Boss 302 - 5.0L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door Coupe/ Convertible.

Application Summary

2011-2012 Ford Mustang GT/ 2012 Boss 302 - 5.0L V8 Automatic/ Manual Transmission Rear Wheel Drive/2 Door Coupe/Convertible.

Part Type

Exhaust System Kit

Product Overview

BORLA Type-S / Type-S II Cat-Back & Rear Section exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and a distinctive more aggressive sounding “S-Type” sound - respected by motoring enthusiasts everywhere.

From the design characteristics of the inner cores to the amount of sound-absorbing composite filament, all specifications of BORLA® exhaust systems are tuned on a vehicle-by-vehicle basis for an optimum blend of performance and sound. Each system is built from premium 300-series austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Additional Application Notes
• 2.75 in. Tubing ;Incl. Mufflers/Hardware/4 in. Round x 10.9 in. Long x 2.75 in. Single Rolled Angle-Cut Tip; Split Rear Exit;

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 17:21:32

Data: v4.2 - Upd: 2026-11-07 22:56:59

Features

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

Construction:All Welded
Description:S-Type; Rear Section Exhaust
Exhaust Type:Axle-Back System
Exit Position:Split Rear
Exit Style:Single Split Rear Exit
Grade Type:Performance
Inlet Inside Diameter:4.000 in.
Inlet Size (in.):4
Material:T-304 Stainless Steel
Muffler Type:Straight-Through
Off Road Use Only:No
Outlet Outside Diameter:4.000 in.
Outlet Size (in.):4
Part Number:bor11789
System Type:Axle Back
Tail Pipe Diameter:2.750 in.
Tail Pipe Material:Stainless Steel
Tip / Outlet Finish:Bright Chrome On T-304 Stainless Steel
Tip Diameter:4 in.
Tip Size:4.0in
Title Extended:2020-2021 Ford Explorer ST/ Explorer Platinum/ Lincoln Aviator Cat-Back(tm) Exhaust System ATAK
Title:2011-2012 Ford Mustang GT/ Boss 302 Axle-Back Exhaust System S-Type
Tubing Diameter:2.750 in.

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Borla, Borla Exhaust
StreetFX SKU bor11789
SFX Item ID 4224708
Accounting SKU bor-11789
Manufacturer SKU 11789
Manufacturer UPC 808422117890
Alternative References BOR-11789

Exhaust System, S-Type, Rear Section, Dual, Stainless Steel, Natural, Split Rear Exit, Ford, 5.0L, Kit

Borla stainless steel S-Type rear section exhaust systems for the 2011 and 2012 Mustang 5.0L once again have proven why Borla has led the aftermarket performance exhaust industry for over 30 years. Borla has an exalted heritage with high performance vehicles, from the C5R LeMans winning Corvettes to privateers like KTEC, Ratt-Miller, Lingenfelter, and Lou Gigliotti, who have enhanced Borla's knowledge of both the vehicle dynamics and the power-plant engineering. Airflow management and exhaust engineering is a science with which Borla has more experience than anyone in the exhaust aftermarket. The "S-Type" is a smaller, round muffler with a center-in/center-out configuration, giving a more aggressive sound and higher flow to your 2011 or 2012 Mustang. Borla's free-flow Mustang exhaust systems utilize patented award and race-winning technology to deliver quality, sound, performance gains, and enhanced fuel economy--all with an easy bolt-on installation.

Product Attributes
UPC808422117890
BrandBorla
NotesS-Type system.
Tip CutSlant
QuantitySold as a kit.
Part TypeExhaust Systems
Tip ShapeRound
Tip FinishPolished
Exhaust TypeDual
Product LineBorla S-Type Axle-Back Exhaust Systems
System StyleRear axle-back
Tip IncludedYes
Tip Material304 stainless steel
Tip Quantity1
Exit LocationSplit rear
Muffler StyleTurbo
System FinishNatural
Inlet Quantity1
Muffler FinishNatural
Tip Edge StyleRolled edge
System Material304 stainless steel
Muffler IncludedYes
Muffler Material304 stainless steel
Muffler QuantityTwo
Hardware IncludedNo
Special AttentionIt is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
Muffler ConfigurationSingle inlet/Single outlet
Tip Outlet Size (in.)4.00
Tailpipe Diameter (in.)2.50 in.
Manufacturer's Part Number11789
Catalytic Converter(s) IncludedNo
Intermediate Pipe Diameter (in.)2.75 in.

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