Check location

We have detected a mismatch between your shop settings and your location. Would you like to switch to the country we detected?

Choose your country

Are you already right? Do not change

leave the private customer sector?

You are registered in our system as a private customer. Do you really want to leave the private customer area?

40 years experience

No shipping cost above 911€

Delivery worldwide

Choose a delivery country
Select the language of the website here
Search for models, products or categories
Shop Garage Watchlist Cart

FVD article number / Reference number:
BES99101060S

Header Set for 991 GT3 with Cat Bypass

€3,573.57

Prices include 19% value added tax, excl. .
Depending on the delivery address, sales tax may vary.*

6–10 working days (the dates given are based on estimates and on standard national and international shipping with a standard-sized parcel and do not represent a guaranteed delivery time).

Insured shipping | Free shipping from 911€.

Product description

    • 20 crank hp & + 14 crank torque.
  • Cat Bypass
  • 2" tubing (50 mm) with Motorsport merge collector.
  • Weighs 14.0 lbs. (6.38 Kg).
  • German V2A - X5CrNi18-10 - 1.4301 stainless steel for improved durability.
  • Works with OEM sealing rings and clamps. See below for part numbers.
  • Made in Germany.
  • Reduces thermal load and backpressure to for more torque in the mid-range and Hp on the top end.

Be sure to add new clamps and sealing rings to your order. 2 Qty. clamps are needed, they are part # 99711133690 and 2 Qty. sealing rings are needed, they are part # 98011156100.

Our latest development for the GT3 is aimed at those who race their cars and are looking for more torque in the mid-range, more horsepower on the top end and a rich, deep exhaust growl.

Please Note: Software is necessary to turn off the check engine light (CEL) light produced with catalytic bypass.

Product categories

  • Headers
  • Catalytics

Manufacturer

M&M

Product dimensions

  • Weight: 6.38 kg
  • On the market for 40 years.
  • International shipping.

Also known as

  • BES99101060S
  • BES 991 010 60S
  • BES.991.010.60S
  • BES-991-010-60S

Fitting for these models:

Porsche 911 (98-Today)

991.1 GT3 (13-17)

991.1 GT3, 3.8L, 350kW (13-17)

  • Coupe

  • ohne TÜV

991.1 GT3 RS, 4.0L, 368kW (15-17)

  • Coupe

  • ohne TÜV

Porsche 911 (98-Today)

991.2 GT3 (18-20)

  • Coupe

  • ohne TÜV

991.2 GT3 (18-20)

991.2 GT3 4,0L 368KW (18-20)

  • Coupe

  • ohne TÜV

991.2 GT3 RS 4,0L 383KW (18-20)

  • Coupe

  • ohne TÜV

Customised service

Personal advice - customised solutions for your needs.

Secure payment

Payment processing with maximum security - trustworthy and protected.

Worldwide delivery

We deliver worldwide - reliably, wherever you are.

Fast delivery

Fast dispatch - Your order will reach you in a flash.

Buy now

BES99101060S

Header Set for 991 GT3 with Cat Bypass

€3,573.57

Prices include 19% value added tax, excl. .
Depending on the delivery address, sales tax may vary.*

Shipping costs info

Delivery times are given to the best of our judgement, but are not binding. Partial deliveries are possible.

If the mode of dispatch is not specified, the goods shall be dispatched by the means of transport selected by FVD.

6–10 working days (the dates given are based on estimates and on standard national and international shipping with a standard-sized parcel and do not represent a guaranteed delivery time).