do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
Fits:
Porsche 944 2.5L 87-88 16V
Porsche 944 2.7L 89-91 Manual gearbox
Porsche 944 3.0L 89-91
Fits cars with engine type M44.09 / M44.40 / M44.11 / M44.41
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94411104103
The product you are viewing cross references to these numbers
Porsche Standard Silencers & Mufflers - OEM Exhaust Replacement Solutions
Standard Silencers / Mufflers are factory-style exhaust components designed to manage exhaust flow, reduce noise, and maintain the original driving characteristics of your Porsche. Engineered to meet strict quality and performance standards, standard mufflers provide balanced exhaust backpressure, refined sound levels, and reliable long-term operation.
Available from Design911, this category includes genuine Porsche exhaust mufflers as well as high-quality aftermarket standard replacements, offering Porsche owners reliable options for maintenance, restoration, and everyday driving.
What Do Standard Silencers / Mufflers Do?
Standard exhaust silencers control sound levels and exhaust
flow to deliver smooth, refined performance.
Core Functions:
- Reduce exhaust noise to factory-approved levels.
- Manage exhaust gas flow efficiently.
- Maintain correct backpressure for engine performance.
- Support smooth drivability and comfort.
- Preserve original exhaust sound characteristics.
Proper silencer operation is essential for quiet, reliable, and compliant vehicle operation.
Why Do Standard Exhaust Silencers Fail?
Despite being designed for longevity, exhaust mufflers are
exposed to heat, moisture, and corrosion. Common failure causes include:
- Internal corrosion from condensation and heat cycles.
- Rusting of outer casing or welds.
- Internal baffle deterioration or rattling.
- Exhaust leaks due to material fatigue.
- Age-related wear in high-mileage vehicles.
Failing silencers can result in excessive noise, poor sound quality, and reduced exhaust efficiency.
Why Upgrade or Replace Standard Silencers / Mufflers?
Replacing worn exhaust silencers restores factory performance and reliability.
Upgrade Benefits:
- Restores original exhaust sound and refinement.
- Ensures correct exhaust flow and backpressure.
- Maintains authenticity and originality of your Porsche.
- Improves durability compared to ageing components.
- Ideal for servicing, restoration, and daily use.
Choosing OEM or high-quality aftermarket replacements ensures long-term reliability and peace of mind.
Highlights
- Porsche standard silencer and muffler replacements
- Genuine Porsche and premium aftermarket options
- Factory-style fitment and sound characteristics
- Designed for comfort, reliability, and longevity
- Ideal for maintenance and restoration
