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Porsche > 911 & 912 (1965-1989) > 911 1978-1989 3.3L Turbo (930) > Exhausts >

1 IN / 1 OUT
Sports Silencers

1 IN / 1 OUT
Sports Silencers

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DISPLAYING 1 to 3 (of 3 products)
Exhaust system in stainless steel with heat exchangers Ø41mm. Porsche 930 Turbo - 91104KIT, 93011115500, 93012319105, 93033091103S, 93022092203S, 93011100304SS, 9009100970C, 93012319407m, 93011116905 - 93011115500/1
3
Exhaust system in stainless steel with heat exchangers Ø41mm. Porsche 930 Turbo
EXHAUSTKIT82
Product Information
Product Information
Exhaust system in stainless steel with heat exchangers Ø41mm Porsche 930 Turbo

dansk

1 x Stainless steel painted rear muffler
2 x Stainless steel heat exchangers with Ø41 mm outside tubing
1 x Stainless steel cross over pipe.
1 x Stainless steel intermediate pipe.
Fitting kit including nuts, bolts, gaskets and strap.

Fits:
Porsche 930 3.0L / 3.3L 1975-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

EXHAUSTKIT82
91104KIT
93011115500
93012319105
93033091103S
93022092203S
93011100304SS
9009100970C
93012319407m
93011116905

The product you are viewing cross references to these numbers
Exhaust system in stainless steel. Porsche 930 Turbo - 91104KIT, 93011115500, 93012319105, 93033091103S, 93022092203S, 93011100304SS, 9009100970C, 93012319407m, 93011116905 - 93011115500/1
3
Exhaust system in stainless steel. Porsche 930 Turbo
EXHAUSTKIT80
Product Information
Product Information
Exhaust system in stainless steel.

dansk

1 x Stainless steel painted rear muffler
2 x Stainless steel heat exchangers.
1 x Stainless steel cross over pipe.
1 x Stainless steel intermediate pipe.
Fitting kit including nuts, bolts, gaskets and strap.

Fits:
Porsche 930 3.0L / 3.3L 1975-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

EXHAUSTKIT80
91104KIT
93011115500
93012319105
93033091103S
93022092203S
93011100304SS
9009100970C
93012319407m
93011116905

The product you are viewing cross references to these numbers
Exhaust Muffler / Silencer Single Outlet. Porsche 930 Turbo - 93011103806, 93011103852, 93011103700, 93011103704, 93011103712, 93011102502, 93011102504, 93011102505
2
Exhaust Muffler / Silencer Single Outlet. Porsche 930 Turbo
FSPOR911TMAXS
Product Information
Product Information
Exhaust Muffler / Silencer Single Outlet.

MAXFLOW outperforms any and all other systems manufactured. Super strong heavy gauge thick 14 gauge T304SS Mirror polished finish. Show car quality! Stainless bracket included.No resonance and never too loud BUT with maximum. Huge reduction in TURBO lag.

FEATURES:
• Fits: all Porsche 911 Turbo 930 vehicles (1976-1989); USA and European cars
• Adds 15 whp for improved throttle response
• Improved sports car sound with a much deeper, more aggressive exhaust note
• Constructed with 3.0" 14-16 gauge T304L C.N.C. mandrel bent stainless steel tubing for maximum performance and durability
• Maxflo Mufflers are radius stress relieved, hydro-formed cases that are pulse TIG welded with 2000 degree ceramic fiber and stainless steel wool packing.
• Available in single or dual outlet configuration
• Includes Fabspeed's Deluxe Oval or Quad Style Tips
• Simple bolt-on installation to the stock or K27 Turbo
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FSPOR911TMAXS
93011103806
93011103852
93011103700
93011103704
93011103712
93011102502
93011102504
93011102505

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About 1 IN / 1 OUT
Sports Silencers

Porsche 1 IN / 1 OUT Sports Silencers - Performance Sound & Flow Upgrades

1 IN / 1 OUT Sports Silencers are performance exhaust components designed to improve exhaust gas flow while enhancing the sound and character of your Porsche. Featuring a single inlet and single outlet design, these sports silencers balance improved performance with refined exhaust tone, making them ideal for road-driven and enthusiast-focused applications.

Available from Design911, Porsche 1 IN / 1 OUT sports silencers are engineered to reduce restriction, improve throttle response, and deliver a deeper, sportier exhaust note without excessive noise or drone.

What Do 1 IN / 1 OUT Sports Silencers Do?

Sports silencers manage exhaust flow and sound after the exhaust gases leave the engine.

Core Functions:

  • Reduce exhaust backpressure for improved engine breathing.
  • Enhance exhaust sound and tone.
  • Improve throttle response and drivability.
  • Maintain balanced exhaust flow characteristics.
  • Support performance and aesthetic upgrades.

Efficient exhaust flow is essential for performance and sound optimisation.

Why Do Standard Exhaust Silencers Fail?

Factory silencers are designed for noise suppression and longevity but can degrade or restrict performance over time. Common failure causes include:

  • Internal corrosion from heat and moisture.
  • Restrictive internal baffling limiting exhaust flow.
  • Increased backpressure reducing engine efficiency.
  • Rattling or broken internal components.
  • Incompatibility with performance tuning upgrades.

Failing silencers can cause power loss, poor sound quality, and unwanted exhaust noise.

Why Upgrade to a 1 IN / 1 OUT Sports Silencer?

Sports silencers are engineered to enhance both performance and sound.

Upgrade Benefits:

  • Improved exhaust flow and reduced restriction.
  • Deeper, sportier exhaust tone.
  • Enhanced throttle response and power delivery.
  • Lightweight, durable construction.
  • Ideal for performance road and light track use.

Upgrading delivers a noticeable improvement in driving experience without compromising usability.

Highlights

  • Porsche 1 IN / 1 OUT sports silencer upgrades
  • Improved exhaust flow and performance
  • Enhanced sound without excessive drone
  • Designed for road and enthusiast use
  • High-quality materials for durability       

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