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- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 Turbo (930) 1975-89
Contents:
1.) Fabspeed Stainless Steel Dual Outlet Muffler (incl. Deluxe Dual or Quad Style Tips)
2.) Fabspeed Stainless Steel Sport Headers (incl. Gaskets & Braided Oil Lines)
3.) Fabspeed Air Intake System (incl. BMC Air Filter)
Features:
- Increases horsepower and torque by 46 whp and 33 ft-lbs
- Optimized flow enhances throttle response and turbo spool
- Delivers an aggressive yet refined exhaust note
- Manufactured from T304 stainless steel
- Features 14-16 gauge C.N.C. mandrel-bent high-velocity IndyCar/Formula 1 3-into-1 pyramidal merge collectors
- Maxflo Mufflers are radius stress-relieved, hydro-formed cases and pulse TIG welded with 2000-degree ceramic fiber and stainless steel wool packing
- Includes a drip accumulator with double swivels, Aeroquip lines with adapters, and a graphite steel-layered gasket
- Comes with custom 7/8” braided oil lines with Porsche-style OEM fittings
- Air Intake Kit replaces restrictive OEM metal intake box for improved airflow
- Direct bolt-on replacement, preventing catalyst-generated check engine lights
- Backed by Fabspeed's Lifetime Warranty
Installation Information:
- A slight modification to the rear bumper is required to accommodate the dual outlet configuration.
- To ensure a proper header seal, tighten all exhaust bolts to the OEM torque specifications after the initial heat cycle.
- This system is designed for use with the factory turbocharger. If you have upgraded to a K27 turbocharger, please contact us to request the necessary modification from the supplier.
- This system can be fitted to factory 930 Flachbau (Slantnose) models with the purchase of the optional Slantnose oil line kit.
Disclaimer: This product eliminates the OEM catalytic converters from the vehicle and is strictly intended for closed-course competition and off-road use only. Racing Cat Bypass Pipes are designed exclusively for track and race cars, as they are not certified by the EPA or any regulatory emissions body. It is your responsibility to review and comply with all applicable local, state, and federal laws before purchasing and installing these or any aftermarket parts. The end-user and installer assume all risks associated with installation and use.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR911TSPKGD
The product you are viewing cross references to these numbers
Sports Silencers
Porsche 1 IN / 2 OUT Sports Silencers - Enhanced Sound & Performance Exhaust
1 IN / 2 OUT Sports Silencers are performance exhaust components designed to split exhaust flow from a single inlet into dual outlets, improving exhaust efficiency while delivering a more aggressive and balanced exhaust note. This configuration enhances both performance and aesthetics, making it a popular upgrade for performance-focused Porsche owners.
Available from Design911, Porsche 1 IN / 2 OUT sports silencers are engineered to reduce exhaust restriction, improve throttle response, and produce a deeper, sportier sound while maintaining daily drivability.
What Do 1 IN / 2 OUT Sports Silencers Do?
These sports silencers optimise exhaust flow and sound through a dual-exit design.
Core Functions:
- Split exhaust flow for improved gas evacuation.
- Reduce backpressure compared to standard silencers.
- Enhance exhaust sound and tone.
- Improve throttle response and power delivery.
- Support performance and visual upgrades.
Balanced exhaust flow is essential for both performance and sound quality.
Why Do Standard Exhaust Silencers Fail?
Factory exhaust silencers are designed
primarily for noise reduction and emissions compliance. Over time, common
issues include:
- Internal corrosion from moisture and heat.
- Restrictive baffling limiting exhaust flow.
- Rattling or collapsed internal components.
- Increased backpressure reducing performance.
- Incompatibility with performance exhaust upgrades.
Failing silencers can lead to power loss, poor sound quality, and unwanted noise.
Why Upgrade to a 1 IN / 2 OUT Sports Silencer?
Performance sports silencers are engineered to improve exhaust flow and sound.
Upgrade Benefits:
- Improved exhaust gas flow and efficiency.
- Deeper, more aggressive exhaust tone.
- Enhanced throttle response and drivability.
- Dual outlet design for improved aesthetics.
- Durable construction for long-term performance.
Upgrading delivers noticeable performance and sound improvements while enhancing the vehicle’s appearance.
Highlights
- Porsche 1 IN / 2 OUT sports silencer upgrades
- Improved exhaust flow and performance
- Sportier, more aggressive exhaust tone
- Dual outlet design for visual impact
- Designed for road and performance use
-
Sport Silencers / Mufflers
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1 IN / 1 OUT
Standard Silencers -
1 IN / 1 OUT
Sports Silencers -
All Silencers / Mufflers
-
Catalyst / Bypass
-
Manifold / Headers
-
Exhaust Tail Pipes
-
Heat Exchangers
-
Exhaust Cross over pipes
-
Exhaust Package
-
Exhaust Gaskets
-
Exhaust Nuts / Bolts / Studs
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Exhaust heat shields
-
Brackets / Clamps / Straps
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Exhaust Fitting Kits
-
Sport Exhaust Vacuum Parts
-
Fabspeed Exhaust
-
Lambda Sensors / Probes
-
Lambda Sensor Extensions
-
Wastegate
