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      01-03-2017, 04:10 PM   #1
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Smile Evolution Racewerks Sports Series 4" High Flow Catted Downpipe for N55

CAUTION: This product is intended for OFF ROAD COMPETITION USE ONLY. Not legal for use on pollution controlled vehicles upon public road/highways. THIS PRODUCT IS FOR SALE FOR ALL 49 STATES EXCLUDING CALIFORNIA. In addition to vehicle use verification, a Vehicle Compliance Waiver needs to be signed.

THIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA.

The item is for sale for international customers without restriction.

Ease of Installation: (1 Easy, 5 Hard) 2

Installation Guide

Parts Checklist

Key Features:

Available for the 2012+ BMW 335i (F30 Chassis) N55 Engine!
Available for the 2013+ BMW 435i (F32/F33 Chassis) N55 Engine!
Available for the 2012+ BMW M135i (F20/F21 Chassis) N55 Engine!
High Flow 200 cell metallic catalytic converter used
Higher Max Horsepower Power Curve
Higher Intial Torque Curve. Torque curve hits faster, higher, and longer
Better throttle response and faster turbo spool up times
Mandrel Bent 4" piping. Smooth transition to the exhaust system
100% Stainless Steel Construction
100% TIG welded for better quality welds
Precision CNC machined turbocharger V-Band flange
Brush Finish (standard) or optional Polish Finish
Available with high temperature Black Thermal Coating to reduce underhood temperatures
Optional - Additional O2 sensor bung for wideband O2 sensors (comes with pre-installed plug)
Optional EGT sensor bung for EGT gauges (comes with pre-installed plug)
Compatible with the factory or aftermarket exhaust systems
Track tested durability
Includes all hardware for complete installation
Limited Lifetime Warranty




Restrictions in the exhaust system robs horsepower and torque especially on turbocharged cars. Thus, removing as much exhaust flow restrictions will increase horsepower and torque significantly. The factory catalytic converter found in the factory downpipe is a big culprit of this and is a major exhaust flow restriction. The factory catalytic converter is made up of catalyst material formed into "honeycomb" weaves. Exhaust gas must pass through these tiny "honeycomb" weaves on their way to the exhaust system thus causing a major exhaust flow restriction. It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction). By replacing the factory downpipe/catalytic converter with our Sports Series 4" High Flow Catted Downpipe, more power is unleashed!

The factory catalyter uses a 400 cell ceramic core. What the 400 cells means is that per every inch, there are 400 "cells" that the exhaust gas must pass through. We use a 200 cell metallic core. By having less cells per square inch, these individual "cells" are bigger in size thus allowing exhaust gas to pass through it more easily. Thus, the lower the cell count, the higher the flow. Higher flow = more power, faster turbo spool up (less turbocharger lag) and better throttle response. Bottom line, faster. The benefits of a metallic catalytic converter vs a ceramic like the factory is that it can take more heat and is more durable (last longer). They are also lighter than their ceramic counterparts.



Restrictions in the exhaust system robs horsepower and torque especially on turbocharged cars. Thus, removing as much exhaust flow restrictions will increase horsepower and torque significantly. The factory catalytic converter found in the factory downpipe is a big culprit of this and is a major exhaust flow restriction. The factory catalytic converter is made up of catalyst material formed into "honeycomb" weaves. Exhaust gas must pass through these tiny "honeycomb" weaves on their way to the exhaust system thus causing a major exhaust flow restriction. It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction). By replacing the factory downpipe/catalytic converter with our Sports Series 4" High Flow Catted Downpipe, more power is unleashed!

The factory catalyter uses a 400 cell ceramic core. What the 400 cells means is that per every inch, there are 400 "cells" that the exhaust gas must pass through. We use a 200 cell metallic core. By having less cells per square inch, these individual "cells" are bigger in size thus allowing exhaust gas to pass through it more easily. Thus, the lower the cell count, the higher the flow. Higher flow = more power, faster turbo spool up (less turbocharger lag) and better throttle response. Bottom line, faster. The benefits of a metallic catalytic converter vs a ceramic like the factory is that it can take more heat and is more durable (last longer). They are also lighter than their ceramic counterparts.



Our downpipes are designed to fit perfectly with either the factory exhaust system or your aftermarket exhaust system. There are no compatibility issues whatsover. The downpipes will come by default in Brushed Finish. We also offer a Polished Finish as an option.

OPTIONS

Ceramic Thermal Coating - The purpose of ceramic coating downpipes is to keep heat from the exhaust gases inside the downpipe from radiating out. This keeps underhood temperatures lower and less heat absortion by nearby parts/surfaces. Another added benefit is that by keeping in heat (energy) in the exhaust gases inside the downpipe, exhaust flow velocities stay high, resulting in lower backpressure. The ceramic coating also adds additional corrosion resistance. We utilize the best ceramic coating possible. Our thermal coating can resist up to 2000F of heat. It is available in black only (all the other colors cannot withstand the high levels of heat).

Additional O2 Sensor Bung - An additional O2 sensor bung can be added so that you can easily add a wideband O2 sensor and gauges to monitor air/fuel ratios. The additional O2 sensor bung will come pre-installed with a plug so that you do not need to run the O2 sensor right away.

Optional EGT (Exhaust Gas Temperature) Bung - An additional 1/8" NPT bung can be added so that you can easily add a EGT sensor and gauge. The optional EGT sensor bung will come pre-installed with a plug so that you do not need to run the EGT sensor right away.

We will price beat. Send us a competitor's quote!

$805.50

Order here:

http://www.hpashop.com/ER-Sports-Ser...-BM-EXH007.htm
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Last edited by HP Autosport; 12-21-2017 at 09:06 PM..
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      01-06-2017, 03:53 PM   #2
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      01-09-2017, 10:26 AM   #3
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      01-12-2017, 11:28 AM   #4
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      01-16-2017, 02:29 PM   #5
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      01-18-2017, 12:50 PM   #6
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      01-22-2017, 07:46 PM   #7
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      01-24-2017, 01:02 PM   #8
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      01-26-2017, 12:09 PM   #9
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      01-31-2017, 03:14 PM   #10
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      02-03-2017, 10:36 AM   #11
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      02-07-2017, 11:06 AM   #12
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      02-09-2017, 02:17 PM   #13
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      02-12-2017, 10:25 PM   #14
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      02-15-2017, 10:32 AM   #15
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ER Sports Series 4" High Flow Catted Downpipe
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      02-17-2017, 10:36 AM   #16
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      02-20-2017, 06:26 PM   #17
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      02-22-2017, 10:14 PM   #18
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      02-27-2017, 10:29 AM   #19
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evolution racewerks Down Pipe
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      03-02-2017, 09:43 AM   #20
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      03-06-2017, 03:20 PM   #21
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      03-09-2017, 11:49 AM   #22
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ER Sports Series 4" High Flow Catted Downpipe for N55
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