WATCH: Big Power Subaru Parts! Turbo | Exhaust | Fueling
If you saw our video on how to build an EJ so it won’t blow up (see the link below if not) you’ll definitely want to watch what turbo,…
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Headers and Exhaust
76 posts
Project GD STI, Fixing all the Details!
There are a lot of small details involved with swapping an engine, especially when upgrading all of the system parts for higher performance. These make the difference in the reliability…
Project Tundra- California Legal High Flow Cats from Magnaflow
Our Project Tundra had had cat problems before. It had a cat function DTC code on bank one at just under 100k miles. The emissions were still under warranty and…
WATCH: Long Tube vs Short Tube Headers | The Technical Differences
A lot of people know that long tube headers generally make more power than short-tube headers, but not many people talk about the technical reasons for that and when…
WATCH: C7 CORVETTE DYNO TEST | Hooker Blackheart Catback Exhaust & Intech Cold Air Intake
We installed a Hooker Blackheart catback exhaust and Holley Performance Intech cold air intake onto our C7 Z51 Corvette Stingray project and were honestly surprised by the results! If…
Project Budget 400WHP S197 Mustang Track Car: Part 3 – Dyno Testing Borla S-Type Cat-Back Exhaust and Tune
Despite achieving our 400 WHP goal, we installed a Borla S-Type Cat-Back Exhaust to further increase power, reduce weight, and improve the sound of our Mustang. We also found a…
Project 987.2 Cayman S: Getting More Out of the Engine to Chase the GT4 Part 2
In previous segments of Project 987.2 Cayman we worked on our suspension and brakes to prepare our chassis for more power. Now it’s time to attack our 9A1 engine to…
Project DBA R35 Nissan GT-R, Bolt On Power Mods Part 1
Our last work on our project R35 GT-R was to do the suspension and brakes to bring them up to a high level and address some of the R35’s shortcomings…
Building the Nissan VQ37VHR part 3
In our last segment of building the ultimate NA VQ37VHR, we assembled the long block of our engine. Now its ready to drop into the 370Z chassis. We had a…
Building the Nissan VQ37VHR part 2
In our last story, we gave you a sneak peek and a technical overview of the parts we were going to use on our naturally aspirated VQ37VHR engine with some…
Building the Nissan VQ37VHR!
The Nissan VQ37VHR is a notoriously difficult engine to modify in naturally aspirated form. This is due to its VVEL continual variable cam timing system on the intake side of…
Building a 650 hp Naturally Aspirated Drift Spec LS3 Part 2
In the first installment of our drift spec LS3 build, we discussed our parts selection and listed the part numbers for building a 650 whp NA monster with parts from…
Getting the Most From 91 Octane Pump Gas with a Honda K Motor, Part Four
In our last articles, we gathered the parts and assembled out low octane Honda K motors for our sleeper DC5 RSX Type S project car. Our engine was intended to…
BEST OF 2019: Project 987.2 Cayman S: Getting More Out of the Engine to Chase the GT4 Part 1
Previously we have been working on Project 987.2 Caymans Suspension and Brakes to get them up to Cup Car standards. With that work being completed we are now going to…
Getting the Most From 91 Octane Pump Gas with a Honda K Motor, Part Two
In our last article, we discussed the modifications needed to the bottom end on our super pump gas Honda K series engine to get it up to snuff. Now we…
Project Porsche 991 GT3 RS, Shedding a Little Weight With Dundon Motorsports!
So I have been pestering the guys at Dundon Motorsports, the maker of our Porsche GT3 RS project car’s awesome set of headers and exhaust system, telling them that they…
Project SR E30: Part 8 – Fabricating a Custom Stainless Steel Oval Exhaust
Part 8??? Wow, we are getting close to the end now! Can we make it a 10 part series? If we had to pick one thing on this car that…
Testing Borla’s S-Type Cat-Back Exhaust for the 2018+ Mustang GT
For the fourth year in a row, the Mustang continues to be the “best-selling sports coupe in the entire world”. The S550 platform that debut in 2015 catapulted the brand…
WATCH: Porsche GT3 RS Headers GUARANTEE Eargasm!
If you haven’t already read our article on the Dundon Motorsports headers and exhaust we installed on our Project Porsche GT3 RS click on that link and do it! …
APR and COBB Tuning upgrades for the VW Golf R (MK7)
Today we’re going to be upgrading our Project Golf R MK7 with the APR intercooler for enhanced cooling, a COBB GESI catted 3″ downpipe for maximum exhaust flow, and efficiently…
Project R35 GT-R, Saving Weight With a Greddy Titanium Exhaust System!
As we have complained about before, the R35 GT-R is a big heavy beast. In our previous segments of Project GT-R, we were able to carve off about 60 lbs…
Testing Vektor Performance Headers for the 991.2 Porsche 911 Carrera!
The introduction 991.2 version of Porsche’s venerable 911 Carrera was somewhat controversial for the Porsche connoisseur. Previous versions of the Carrera were traditionally naturally aspirated with the 991.1 model having…
More Power With Dundon Motorsports – Porsche GT3RS
The Porsche GT3 RS is a supercar with state of the art engineering in the powertrain department. It has a naturally aspirated 6 cylinder flat 6 that pumps out an amazing…
Dundon Motorsports Headers and Exhaust System for the Porsche 991 GT3 RS
It’s tricky to attempt to improve the engine performance of a supercar, especially when its one that puts out 125 hp per liter like the Porsche GT3 RS does. When…
We Test the BimmerWorld Exhaust and Epic Tune for S65 V8 M3
For this test we used the same 2008 E90 M3 tested against our own Project E46 M3 last year. We Test the BimmerWorld Exhaust and Epic Motorsports ECU Tune for…
TESTED: Ford Performance Cat-Back Exhaust and GT350 Valence
The Ford Mustang may be the best-selling sports car in the world at the time of this writing, yes you read that right, but it is far from the best…
Building the FR-S FA20 with Stay Crushing: Installing the Engine and Making Big Power!
Building the FR-S FA20 with Stay Crushing: Installing the Engine and Making Big Power! by Mike Kojima If you have been following our story, we are now ready to install the engine…
Project F150: Part One – Opening Things Up With a MagnaFlow Exhaust System
Project F150 EcoBoost: Part One – Opening Things Up With a MagnaFlow Exhaust System by S. Tate MotoIQ's latest project car is a (tow) truck! Let's get it introduced…
Project E46 M3, Part 17: Preferred exhaust, MKC/AEM tune
Here is Project M3 sporting a Khoalty rear diffuser and Scorpion exhaust from Bavarian Autosport. Finding the exhaust combo to work with the VAC/Fabspeed header setup has been a real…
Building the Naturally Aspirated Honda K Engine: Part 4- Burns Header and Tuning
Building the Naturally Aspirated Honda K Engine! Part 4- Burns Header and Tuning By Mike Kojima If you have been following our previous articles of our build of the naturally aspirated K24, we…
Project E46 M3: Part 15 – more exhaust testing and weight reduction
In this installment we test a Scorpion exhaust system from Bavarian Autosport, which is seen here nestled inside the Khoalty carbon fiber rear diffuser. Project M3: Part 15 – More…
Building the FR-S FA20 engine with Stay Crushing!
Building the FR-S FA20 engine with Stay Crushing! by Mike Kojima Our friend Robert Kochis doesn't seem like a typical MotoIQ reader. He is a cool guy, not a nerd. He vapes…