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Afe

aFe Power MACH Force XP 304 Stainless Secondary Muffler Delete Pipe 14-19 Porsche 911 GT3 3.8L/4.0L

SKU: AFE49C36434

Exhaust Pipes, Muffler Eliminator Pipes

AFE Exhaust Cat Back...

Afe

Afe

aFe Power MACH Force XP 304 Stainless Secondary Muffler Delete Pipe 14-19 Porsche 911 GT3 3.8L/4.0L

SKU: AFE49C36434

Exhaust Pipes, Muffler Eliminator Pipes

AFE Exhaust Cat Back...

A$3,014.42
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.
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Description

IMPORTANT NOTICE: 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.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Afe, Afe Power StreetFX SKU afe49C36434 SFX Item ID 4372729 Accounting SKU afe-49C36434 Manufacturer SKU 49C36434 Manufacturer UPC 802959633717 Alternative References AFE-49C36434

Muffler Delete Pipe

This system features Dual, Tuned Helmholtz resonators integrated into its design to improve tone and eliminate drone. 100% TIG-welded by certified craftsmen for race proven strength and durability. TIG-welding provides the strongest welds reducing stress cracks. This muffler delete is constructed of durable mandrel bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and durability. This muffler delete is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this muffler delete designed for custom, high tolerance factory fitment.

Additional Information

MACH Force-Xp 304 Stainless Steel Secondary Muffler Delete Pipe Porsche 911 GT3 14-19 H6-3.8L/4.0L

Features and Benefits

  • 100% TIG-Welded for Race-Proven Strength and Durability
  • Constructed with Mandrel-Bent 304 Stainless Steel Tubing
  • Replaces Factory Secondary Muffler
  • Retains Side Mufflers and Fctory Exhaust Valves
  • Simple Bolt-On Installation, No Cutting or Welding Required
  • Unique Helmholtz Design

Product Details

Description:MACH Force-Xp 304 Stainless Steel Secondary Muffler Delete Pipe
Main Piping Diameter:2.5
Material:304 Stainless Steel
Part Number:afe49C36434
Sound Level:Aggressive

Product Overview


Product Downloads

# Document Type Download
1. Installation Instructions

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: 2026-10-13 19:45:39

Product Overview

This system features Dual, Tuned Helmholtz resonators integrated into its design to improve tone and eliminate drone. 100% TIG-welded by certified craftsmen for race proven strength and durability. TIG-welding provides the strongest welds reducing stress cracks. This muffler delete is constructed of durable mandrel bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and durability. This muffler delete is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this muffler delete designed for custom, high tolerance factory fitment.


Features and Benefits

  • Constructed with Mandrel-Bent 304 Stainless Steel Tubing
  • Unique Helmholtz Design
  • Simple Bolt-On Installation, No Cutting or Welding Required
  • 100% TIG-Welded for Race-Proven Strength and Durability
  • Replaces Factory Secondary Muffler
  • Retains Side Mufflers and Fctory Exhaust Valves

Product Details

Description:MACH Force-Xp 304 Stainless Steel Secondary Muffler Delete Pipe
Main Piping Diameter:2.5
Material:304 Stainless Steel
Part Number:afe49C36434
Sound Level:Aggressive
WARNING CA Proposition 65 Message:WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Application Summary

Porsche 911 GT3 14-19 H6-3.8L/4.0L

Part Type

Exhaust Muffler

Data: v4.2 - Upd: 2026-10-13 19:45:39

Features

  • 100% TIG-Welded for Race-Proven Strength and Durability
  • Constructed with Mandrel-Bent 304 Stainless Steel Tubing
  • Replaces Factory Secondary Muffler
  • Retains Side Mufflers and Fctory Exhaust Valves
  • Simple Bolt-On Installation, No Cutting or Welding Required
  • Unique Helmholtz Design

Specifications

Muffler Delete, Mach Force XP, Stainless Steel, Porsche, Each

aFe Mach Force XP delete pipes are designed for racing use only. These pipes eliminate your diesel particulate filter (DPF) and your catalytic converter. Constructed from mandrel-bent 409 stainless steel with OE-style hangers and clamps, these pipes provide maximum flow for increased horsepower, torque, and throttle response. This increased airflow helps to improve MPG and also lowers EGTs. aFe Mach Force XP delete pipes include sensor bungs, factory-style hangers, and band clamps for an easy installation.

Product Attributes
UPC802959633717
BrandAFE Power
NotesSmaller upper pipes are 2.00 in. O.D. and the larger lower pipes are 2.50 in. O.D.
QuantitySold as a kit.
Part TypeExhaust Pipes, Muffler Eliminator Pipes
Product LineaFe Mach Force XP Delete Pipes
Inlet Quantity4
Outlet Quantity2
Inlet Diameter (in.)Stock in.
Outlet Diameter (in.)Stock in.
Muffler Eliminator FinishBrushed
Manufacturer's Part Number49C36434
Muffler Eliminator Material304 stainless steel

Product Details

Description:MACH Force-Xp 304 Stainless Steel Secondary Muffler Delete Pipe
Main Piping Diameter:2.5
Material:304 Stainless Steel
Part Number:afe49C36434
Sound Level:Aggressive
WARNING CA Proposition 65 Message:WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Reference Information

Brand Name/s Afe
StreetFX SKU afe49C36434
SFX Item ID 4372729
Supplier Item Code 4372729
Manufacturer SKU 49C36434
Manufacturer UPC 802959633717
Alternative References GT3, 3.8L/4.0L

Brochures

Compatibility

aFe Power MACH Force XP 304 Stainless Secondary Muffler Delete Pipe 14-19 Porsche 911 GT3 3.8L/4.0L
Year RangeMakeModelSubmodelsRegion
2014-2016 Porsche 911 Carrera 4S, Carrera S, GT3, Targa 4S, 50th Anniversary Edition, Carrera 4 GTS, Carrera GTS, Targa 4 GTS US
2018-2019 Porsche 911 GT3, GT3 RS, Speedster US

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.

Detailed Compatibility


Application Data
UniversalNo
MakePORSCHE
Model911
SubmodelGT3
Beginning Year2014
Ending Year2016
Engine TypeH6
Engine Size3.8L/3800cc
Engine FamilyPorsche 6-cylinder
DrivetrainRWD
Doors2-door
TransmissionAutomatic
UniversalNo
MakePORSCHE
Model911
SubmodelGT3
Beginning Year2014
Ending Year2016
Engine TypeH6
Engine Size3.8L/3800cc
Engine FamilyPorsche 6-cylinder
DrivetrainRWD
Doors2-door
TransmissionManual
UniversalNo
MakePORSCHE
Model911
SubmodelGT3
Beginning Year2018
Ending Year2019
Engine TypeH6
Engine Size4.0L/3996cc
Engine FamilyPorsche 6-cylinder
DrivetrainRWD
Doors2-door
TransmissionAutomatic

This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.

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