01-27-2022, 08:55 AM | #1 |
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Evolution Racewerks BMW G8x S58 Downpipes & Crossover Exhaust Pipe **NEW PRODUCT**
We are introducing our Sports Series High Flow Catted Downpipes for your twin-turbo S58 engine! It fits 2021+ M3 and M4! Key Features: Now available for the 2021+ BMW M3/M4 S55 Engines! High Flow 200 cell metallic catalytic converter Higher Max Horsepower Power Curve Higher Initial Torque Curve. The torque curve hits faster and higher and longer. Better throttle response and faster turbo spool-up times. Mandrel Bent 3" 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. Retains factory donut style gasket Mirror polish or brush finish Available with a high-temperature black thermal coating to reduce underhood temperatures. Retains factory slip-on style connection. Compatible with the factory or aftermarket exhaust systems. Track tested durability. Includes all hardware for complete installation. Limited Lifetime Warranty. We use a 200 cell metallic core for our Sports Series High Flow Catted Downpipes. Having fewer cells per square inch makes these individual "cells" bigger, 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 factory are that it can take higher temperatures and is more durable (last longer). They are also lighter than their ceramic counterparts. Restrictions in the exhaust system rob horsepower and torque, especially on turbocharged cars. Thus, removing exhaust flow restrictions will significantly increase horsepower and torque. The factory catalytic converter found in the factory downpipe is a big culprit of this and is a significant exhaust flow restriction. The factory catalytic converter comprises catalyst material formed into "honeycomb" weaves. Exhaust gas must pass through these tiny "honeycomb" weaves on its way to the exhaust system, thus causing a significant exhaust flow restriction. It also causes turbulence after the catalytic converter, which causes the exhaust flow to slow down (which increases restriction). More power is unleashed by replacing the factory downpipe/catalytic converter with our Sports Series High Flow Metallic Catted Downpipe! Our Sport Series High Flow Catted Downpipes is 100% 304-grade stainless steel and utilizes mandrel bent piping. Our in-house fabricators are 100% TIG welded and built in the USA. The factory turbocharger turbine housing utilizes a 3.5" V-Band flange which we have duplicated, and CNC machined cut out of billet 304 stainless steel. Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods. The O2 sensor is positioned at the factory location. The factory donut flange design is retained. 100% bolt-on. Our downpipes are designed to fit perfectly with either the factory exhaust system or your aftermarket exhaust system. There are no compatibility issues whatsoever. The downpipes will come by default with a brushed finish. 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 absorbs less by nearby parts/surfaces. Another added benefit is that exhaust flow velocities stay up by keeping in heat (energy) in the exhaust gases inside the downpipe, resulting in lower backpressure. The ceramic coating also adds additional corrosion resistance. We utilize the best ceramic coating possible. Our thermal layer can resist up to 2000F of heat. It is available in black only (all the other colors cannot withstand the heat that high). Evolution Racewerks Crossover Exhaust Pipe Key Features: Now available for the 2021+ BMW M3/M4 S58 Engines! Higher Max Horsepower Power Curve Higher Initial Torque Curve. The torque curve hits faster and higher and longer. Better throttle response and faster turbo spool up times Mandrel Bent 3" piping. Smooth transition to the exhaust system. 100% Stainless Steel Construction 100% TIG welded for better quality welds Precision CNC machined turbocharger V-Band and flange Mirror polish or brush finish Available with high temperature black thermal coating to reduce underhood temperatures 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 rob horsepower and torque, especially on turbocharged cars. Thus, removing exhaust flow restrictions will significantly increase horsepower and torque. The G Chassis M3/M4 utilizes a Y-style mid-pipe. However, both downpipes are both on the right side of the engine. The left side downpipe connects to the "crossover" pipe as it crosses over to the left side underneath the transmission to connect to the midpipes. The right side downpipe connects directly to the mid-pipe. Since this crossover pipe goes under the transmission, BMW squished the round pipe into an oval to give clearance. However, going from a round tube to an oval causes turbulence inside the pipe, which causes a restriction. We found plenty of clearance to keep the tubing round, and thus we built our replacement Crossover Pipe without needing to squish the tubing. The factory crossover pipe utilizes cast components, so it is pretty heavy. Our replacement Crossover Pipe is lighter, and thus some weight savings can be had. Our Competition Series Catless Downpipes is 100% 304-grade stainless steel and utilizes mandrel bent piping. Our in-house fabricators are 100% TIG welded and built in the USA. 100% bolt-on. Our Crossover Pipe is designed to fit perfectly with either the factory or your aftermarket mid-pipes. There are no compatibility issues whatsoever. The Crossover Pipe will come by default with a brushed finish. More Pictures
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01-27-2022, 11:29 AM | #3 |
i can haz horsepowr ??
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Evolution Racewerks 200 cell vs. Active Autowerke GESI 400 cell downpipes could make for an interesting comparison. Begs the question - are the GESI cats really worth double the price?
I am interested though, Mike. Could you pm me your best price for the ER dp's in brushed? I may just opt for catted dp's to make my exhaust setup not as insane with the AA single midpipe and Remus race.
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01-27-2022, 01:32 PM | #5 | |
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check your inbox
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It might cause a check engine light, you do not get a guarantee similar to Active.
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01-27-2022, 01:39 PM | #7 |
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01-28-2022, 03:41 PM | #10 |
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Could you PM me on the Catted downpipes?
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01-28-2022, 04:06 PM | #11 | |
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Im running catted with 02 extenders. No cel light. I also paired with JB4 map 2… Jesus… Installing flex fuel kit to run E85. The dp really opens up the car on stock exhaust.
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01-28-2022, 06:20 PM | #12 |
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Do you think there would be any benefit other then sound with the stock map? If these don't throw a code I'd be down just for sound. Trying to avoid playing with warranty too much but freeing up power and weight is always good.
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01-29-2022, 12:14 AM | #13 |
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Would you guys happen to have pictures of the downpipes installed with crossover pipe? I've been trying to find a crossover pipe installed in pictures or videos & cant find anything.
Thanks! EDIT**** I found the squished "Crossover Pipe" Last edited by Grumpy514; 01-29-2022 at 12:39 AM.. |
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01-29-2022, 09:42 AM | #14 |
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Done We will be posting a full install video for the crossover pipe soon
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01-30-2022, 01:26 AM | #15 | |
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Thank you! Last edited by Grumpy514; 01-30-2022 at 01:32 AM.. |
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01-30-2022, 10:47 AM | #16 | |
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We do not offer catless downpipes
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02-11-2022, 11:42 AM | #17 |
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I had the crossover pipe installed yesterday. There wasn't much of a significant change in sound or tone with my stock exhaust. I think there might be a smidge of better throttle response. The fit was right on the money.
I am installing some HF catted DPs in the next few weeks once they arrive. I'm sure the DPs will obviously change how the car sounds, but wondering if the two paired will be. I think if you're going to replace the DPs anyway, why not do the crossover as well. The price isn't bad and it's an easy enough install. |
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02-11-2022, 01:15 PM | #18 | |
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Airflow is improved compared to the stock one
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02-12-2022, 09:30 AM | #20 |
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02-12-2022, 09:33 AM | #21 |
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02-12-2022, 09:35 AM | #22 |
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