Fabspeed Motorsport New BMW 135i/335i Catbypass Downpipes
Jan 6, 2011 | 03:07 PM
#1
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| Former Sponsor
Joined: May 2008
Posts: 254
From: Philadelphia
Fabspeed Motorsport New BMW 135i/335i Catbypass Downpipes
Fabspeed Motorsport new BMW 135i/335i Catbypass Downpipes for all 135i and 335i cars are in stock and ready to ship. The Catbypass Downpipes bypass the primary catalytic converters off the Turbo. They are a direct replacement for the OEM primary cats and just make night and day difference in the performance of the vehicle. Thanks to AutoCouture Motoring for bringing in the vehicles for all R&D and Dyno Testing. The most Simple and easy way to increase big HP and TQ on your Twin Turbo without a CE Light.
$695 For the Set including all hardware and O2 Simulator.
Fits 2007+ 135i Cars and 2006+ 335i Cars
Manufactured from the highest quality 16 Gauge T304SS, CNC Mandrel Bent Tubing for maximum flow and least restriction.
Water Jet Flanges for extreme precision and fit and TIG welded for ultimate Strength, Quality and Durability.
Direct bolt on Replacement for OEM Primary Cats with O2 Ports.
Full 2.75" Tubing from the Turbo for maximum exhaust speed and less backpressure off the Turbo.
NO Check Engine Lights (O2 Simulator Included).
Greatly reduced Turbo lag and much faster Spool-up.
25+ Horsepower and 30+ Ft. Lbs of Torque Increase at the Wheels and more in other areas of the RPM range (Dyno Results below).
Small sound improvement also with stock exhaust.
*Group Buys are welcome and I am offering a Member special for $650*
YouTube - BMW 135i/335i Twin Turbo Fabspeed Catbypass/Downpipe
$695 For the Set including all hardware and O2 Simulator.
Fits 2007+ 135i Cars and 2006+ 335i Cars
Manufactured from the highest quality 16 Gauge T304SS, CNC Mandrel Bent Tubing for maximum flow and least restriction.
Water Jet Flanges for extreme precision and fit and TIG welded for ultimate Strength, Quality and Durability.
Direct bolt on Replacement for OEM Primary Cats with O2 Ports.
Full 2.75" Tubing from the Turbo for maximum exhaust speed and less backpressure off the Turbo.
NO Check Engine Lights (O2 Simulator Included).
Greatly reduced Turbo lag and much faster Spool-up.
25+ Horsepower and 30+ Ft. Lbs of Torque Increase at the Wheels and more in other areas of the RPM range (Dyno Results below).
Small sound improvement also with stock exhaust.
*Group Buys are welcome and I am offering a Member special for $650*
YouTube - BMW 135i/335i Twin Turbo Fabspeed Catbypass/Downpipe
Jan 6, 2011 | 05:27 PM
#2
TS BMW Forums
Joined: Sep 2008
Posts: 3,144
From: Rochester Hills, MI
They look great! And nice numbers for a bolt on mod. To think how restrictive the stock DP and cats are.
Just to claify for those who are interested. These downpipes look like they're for the twin-turbo I6 N54 engine? Some 2010 + cars have the new single turbo twin-scroll N55 engine.
Just to claify for those who are interested. These downpipes look like they're for the twin-turbo I6 N54 engine? Some 2010 + cars have the new single turbo twin-scroll N55 engine.
Jan 12, 2011 | 12:12 PM
#4
Thread Starter
| Former Sponsor
Joined: May 2008
Posts: 254
From: Philadelphia
They look great! And nice numbers for a bolt on mod. To think how restrictive the stock DP and cats are.
Just to claify for those who are interested. These downpipes look like they're for the twin-turbo I6 N54 engine? Some 2010 + cars have the new single turbo twin-scroll N55 engine.
Just to claify for those who are interested. These downpipes look like they're for the twin-turbo I6 N54 engine? Some 2010 + cars have the new single turbo twin-scroll N55 engine.
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