Borla 140523 Cat-Back Exhaust System — official product image 1
Borla / Exhaust Systems

Borla Porsche 911 Cat-Back Exhaust System (2012–2016)

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£3,601.43 VAT included. Shipping calculated for your destination.

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Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

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Choose the exact listed application and part number. Match the engine, model year, body, drivetrain, transmission and original exhaust arrangement in the applications and installation requirements below.

Borla cat-back exhaust system for the application and installation requirements shown below. Construction: T-304 stainless steel. Pipework uses mandrel bends. Sound specification: S-Type. Tip specification: Polished stainless steel.

Borla cat-back exhaust system for the application and installation requirements shown below. Construction: T-304 stainless steel. Pipework uses mandrel bends. Sound specification: S-Type. Tip specification: Reuse factory tips.

Match the exact engine, model year, drivetrain, transmission and exhaust hardware for the selected part number.

Technical specifications

Specification Details
Product Cat-Back Exhaust System
Part numbers 140523, 140524, 140710
Pipe Diameter 140523: 2.5" Through muffler 1.75" out 2nd muffler; 140524: 2.5" into muffler dual 1.75" out; 140710: 2.5"
Tip Size 140523: 3.14"; 140524: 3.14"; 140710: —
Tip Exit 140523: Dual Split Rear Exit; 140524: Dual Split Rear Exit; 140710: Single Split Rear Exit
Sound S-Type

Vehicle applications

Years Model Engine Application Body Drive Transmission Exhaust configuration Matching part numbers
2013–2015 Porsche 911 3.8L 6-cylinder petrol Coupe; 2-door RWD Automatic This system contains NPP valves; This system includes Dual Mode valves. Porsche; 911 S; 2013–2015; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; 991 140523
2013–2015 Porsche 911 3.8L 6-cylinder petrol Coupe; 2-door AWD Automatic This system contains NPP valves; This system includes Dual Mode valves. Porsche; 911 4S; 2013–2015; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; AWD; Automatic; 991 140523
2012–2016 Porsche 911 3.4L 6-cylinder petrol Coupe; 2-door RWD Automatic This system does NOT contain Dual Mode Exhaust valves; This system does NOT include dual mode valves. Porsche; 911 Carrera; 2012–2016; 3.4L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; 991 140524
2012–2016 Porsche 911 3.8L 6-cylinder petrol Coupe; 2-door RWD Automatic This system does NOT contain Dual Mode Exhaust valves; This system does NOT include dual mode valves. Porsche; 911 S; 2012–2016; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; 991 140524
2013–2016 Porsche 911 3.8L 6-cylinder petrol Coupe; 2-door AWD Automatic This system does NOT contain Dual Mode Exhaust valves; This system does NOT include dual mode valves. Porsche; 911 4S; 2013–2016; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; AWD; Automatic; 991 140524
2013–2015 Porsche 911 3.8L 6-cylinder petrol Coupe; 2-door RWD Automatic / Manual Tips NOT included. Use factory valance / tips.; Tips NOT included. Porsche; 911; 2013–2015; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic/Manual; Exact supplier configuration 140710

Available variants

Part number Application Sound and design Tip configuration
140523 2013–2015; Porsche 911; 3.8L S-Type, Dual Split Rear Exit Polished stainless steel
140524 2012–2016, 2013–2016; Porsche 911; 3.4L, 3.8L S-Type, Dual Split Rear Exit Polished stainless steel
140710 2013–2015; Porsche 911; 3.8L S-Type, Single Split Rear Exit Reuse factory tips

Installation and care

  • 140523: This system contains NPP valves
  • 140523: This system includes Dual Mode valves.
  • 140524: This system does NOT contain Dual Mode Exhaust valves
  • 140524: This system does NOT include dual mode valves.
  • 140710: Tips NOT included. Use factory valance / tips.
  • 140710: Tips NOT included.

Follow Borla’s instructions for the selected part number before fitting.

Delivery, customs and taxes

Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders

Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Fitment first

Check fit before you order

Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.

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Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.

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Borla Porsche 911 Cat-Back Exhaust System (2012–2016)
Borla Porsche 911 Cat-Back Exhaust System (2012–2016)2013–2015; Porsche 911; 3.8L / S-Type, Dual Split Rear Exit / Polished stainless steel
Available to Order £3,601.43