Pacemaker 2.5" Cat-Back Performance Exhaust System for Ford Mustang GT S550 Fastback Coupe 5.0L V8 2015–2017 - PP4178-01
SKU: 89944164624

Pacemaker 2.5" Cat-Back Performance Exhaust System for Ford Mustang GT S550 Fastback Coupe 5.0L V8 2015–2017 - PP4178-01

Sale price$994.83 Regular price$1105.37
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Description

Pacemaker 2.5" Cat-Back Performance Exhaust System for Ford Mustang GT S550 Fastback Coupe 5.0L V8 2015–2017 - PP4178-01Pacemaker 2. 5" Performance Cat Back Exhaust System for Ford Mustang GT Coupe (5. 0L Coyote V8) PP4178 01 Unleash a deep, aggressive American muscle growl and optimize gas flow velocity from your high revving quad cam engine with the Pacemaker Sport Systems heavy duty 2. 5" performance cat back exhaust solution. Specifically engineered to maximize scavenging efficiency and enhance the distinct mid to high RPM acoustics of the iconic 5. 0L Coyote V8,

Pacemaker 2.5" Performance Cat-Back Exhaust System for Ford Mustang GT Coupe (5.0L Coyote V8) - PP4178-01

Unleash a deep, aggressive American muscle growl and optimize gas flow velocity from your high-revving quad-cam engine with the Pacemaker Sport Systems heavy-duty 2.5" performance cat-back exhaust solution. Specifically engineered to maximize scavenging efficiency and enhance the distinct mid-to-high RPM acoustics of the iconic 5.0L Coyote V8, this premium system is precision-molded to clear the floor pan lines, underbody layout, and multi-link independent rear suspension geometry of the S550 Fastback platform. By replacing your stock, restrictive factory piping with a high-flow mandrel-bent performance construction downstream of the catalytic converters, it optimizes gas velocity to clear spent exhaust out rapidly and completely eliminate power-robbing backpressure under acceleration. As Australia’s premium exhaust innovator, Pacemaker pairs this high-flow path with patented V-Tex technology and signature double-skinned mufflers to deliver a raw, thumping muscle car sound outside while actively engineering out harsh, intrusive interior cabin boom or high-load highway drone. Note: Fits Ford Mustang GT S550 Fastback Coupe models (2015–2017) equipped with the 5.0L Coyote V8 engine configuration; engineered to suit both Left-Hand Drive (LHD) and Right-Hand Drive (RHD) configurations.

Features:

Precision-manufactured in Australia to deliver a premium flow upgrade, exceptional structural durability under high heat, and a refined performance acoustic profile for the global Mustang GT platform.

  • True Cat-Back Section: Complete performance intermediate plumbing and rear muffler layout engineered to bolt up securely behind your factory or high-flow catalytic converters.
  • Dual Drive Layout Compatible: Precision-cleared underbody routing architecture engineered explicitly to accommodate both Left-Hand Drive (LHD) and Right-Hand Drive (RHD) chassis variations.
  • Premium Materials: Constructed completely from durable, heavy-gauge Exhaust Grade 409 Stainless Steel to ensure superior structural longevity under intense thermal stress.
  • Mandrel Bent Tubing: Rigid 2.5" (63.5mm) pipe structure guarantees a smooth, uniform internal diameter through all bends to optimize exhaust gas velocity and prevent restriction.
  • V-Tex Technology: Advanced internal anti-drone configuration filters out harsh, low-frequency cabin resonance typical of sports coupes without creating any power-robbing flow restrictions.
  • Signature Mufflers: Heavy-duty double-skinned 409 Stainless Steel mufflers offer premium outer case protection, zero internal packing blowout under high thermal stress, and precise tonal control.
  • Direct Bolt-On Layout: Engineered as a comprehensive, vehicle-specific full bolt-up kit that mounts directly onto existing factory rubber hanger positions—no custom fabrication required.
Product Specifications for PP4178-01
Brand Pacemaker Sport Systems Part # / SKU PP4178-01
Product Type Performance Cat-Back Exhaust System Piping Size 2.5" (63.5mm) Mandrel-Bent System
Material 409 Grade Stainless Steel Steering Drive Compatibility Suits Both LH and RH Drive Models
Engine Compatibility 5.0L Coyote DOHC V8 (Gen 2) Body Configuration Fastback Coupe Only

Important Fitment Notes:

  • Specifically engineered to fit Ford Mustang S550 GT Fastback Coupe platforms powered by the 5.0L Coyote V8 engine configuration (2015–2017 models).
  • Coupe Specific Chassis Layout: This configuration features tailor-formed exhaust pipe paths and bracket placements designed precisely to mount cleanly under the standard fastback coupe floor pan lines. It will not adapt correctly to Convertible models due to structural under-car cross bracing on the soft-top platforms.
  • Global Steering Compatibility: Underbody routing clearance metrics are optimized to seamlessly accommodate both Left-Hand Drive (LHD) and Right-Hand Drive (RHD) export market models.
  • Full kit scope: Comprehensive high-flow cat-back line including performance intermediate plumbing sections and a signature double-skinned rear muffler assembly with polished tips.
  • Direct bolt-on design reuses your vehicle's factory rubber hanger positions and standard catalytic converter paths. No custom fabrication or welding layout mapping is required.
  • Professional automotive performance technician installation is highly recommended to guarantee ideal ground clearance, strict alignment, and gas-tight seals under the floor pan.

Vehicle Applications:

Make Model From To Body Series Engine Variant Drivetrain
FORD MOTOR COMPANY
Ford Mustang GT 2015 2017 Fastback Coupe Only S550 (Pre-Facelift Generation) 5.0L Coyote V8 GT Premium (LHD & RHD Markets) RWD
Warranty Information
Product Warranty Period
Pacemaker Sports Exhaust Systems Five (5) years.

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Exchange/Return Notes
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SKU: 89944164624

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Austin
Houston, US
★★★★★ 4
Quality product for fair price
Color: Leather - Brown
Good quality, light, material felt good. Quite a few card slots. The magnet is not super strong so you can’t carry a lot of cash, but it is good enough to make it feel secure.
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Reviewed in the United States on August 14, 2025
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Danielle Nieves
Pawtucket, US
★★★★★ 5
Lightweight and durable
Color: Grey
My husband loves this wallet because it's super lightweight but durable. He doesn't like the bulkiness of most leather wallets so this was the perfect fit. The topographical pattern is unique
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Reviewed in the United States on June 29, 2025
A
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Aubri Baker
Charlottesville, US
★★★★★ 5
Super cute!
Color: Multi
This is advertised for men, but I bought it for myself and absolutely love it! It’s very cute, lightweight and slim to just slip in your pocket for a quick run in instead of bringing your whole billfold. Good quality and cute design! Fits 2 cards on each side and has pocket in the middle for cash.
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Reviewed in the United States on December 31, 2024
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J
West Palm Beach, US
★★★★★ 3
Got sent a used wallet
Color: Embossed Leather - Tan, Color: Embossed Leather - Tan
Open up package and wallet came out scratched and then their was a crack on the ID window. A little tiny then what I expect but all the credit cards well.
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Reviewed in the United States on June 5, 2025
E
Ebomb
Battle Creek, US
★★★★★ 4
Card holder yes, 'wallet' not so much, and it has a 'weathered' look as shown in their pictures.
Color: Multi
This little card holder feels pretty tough, and the card slots are tight. I could fit 5 cards into it--4 in the outside slots and 1 in the pocket in the middle. I was hoping that I could use it as a wallet and not just a card holder, but the pocket in the middle is very tight just like the other 4 slots on the outside, and you CAN stuff money in there but it's not very convenient to get it out. Thier claim of "...providing efficient organization and easy access to all your essential cards and cash" is a bit of a stretch, because if you have cards in the 4 outer slots the middle pocket becomes very tight, and not convenient or enjoyable to put cash in and harder to get it out. I got the striped multicolor version, and it looks really nice and cool, though they might have described it as 'vintage' or having a 'worn' look, as it sort of seems like it's been weathered or used. You can see this for yourself in the pictures they provide on the product page--there are those little white spots on it, as if it is old and worn. Still looks cool but I thought I would mention it, so you know what you are getting. I gave it only 4 Stars mainly because I was hoping it could be used better as a wallet and not just a card holder, and the middle pocket is a bit too tight for it to function that way in my opinion, but also because of its 'worn' look, as I was expecting it to look more 'brand new' and not so weathered.
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Reviewed in the United States on July 1, 2024

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