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3SX Performance opened in 2000 with one goal in mind: Performance options for the Mitsubishi 3000GT and Dodge Stealth. We strive to develop new products that are not yet available in the marketplace, and offer the widest selection of parts for the platform. Pioneering parts such as the Lightweight Aluminum OEM/Underdrive Pullies, Poly Motor Mounts, and Adjustable Rear Control Arms, unheard of at the time, put 3SX on the performance map. 3SX has provided parts to help the 3S launch harder, brake quicker, turn sharper and just plain look better. With offerings from sway bars to full coil over suspension kits, upgraded brake pads to big brake kits, intake pipes to complete engine rebuilds, we have nearly every part needed to make your car into the beast you always dreamed it could be.

  

The driving force behind the company is our employees. Each 3SX Crew Member lives for performance. From founder Steve Burrows' highly modified '94 VR-4 monster, to original crew and General Manager Eric Bowden's “222 HP Stereo” '93 Stealth RT, each team member eats, sleeps and breathes better performance! Part of what makes 3SX a popular company is the fact that, unlike most online "shops", we actually ARE a physical shop, actually STOCK what we sell, and WORK on performance vehicles for a living.

  

With customers in over 99 countries around the world, the entire 3SX Crew works very hard to ensure the highest level of customer satisfaction, by offering exceptional customer service, and product knowledge, so you will be confident in your decisions regarding parts upgrades and service.

 

In 2004 we moved into our current 12,000 square foot facility (above), finally reopened our service bays, and expanded our shipping capacities. This building gave us more room to stock parts, improve shipping times, and allow us to expand our overall offering to the 3000GT and Stealth community.

 

2006 brought about further growth with the addition of a second 10,000 square foot facility dedicated to vehicle service and engine building (below). This freed up space for BOTH sides of the business to grow: we have room to stock more parts for our worldwide sales, and service had room to accommodate more vehicles and technicians. We built the new Service Facility to truly be a complete performance service center: plenty of lifts, "clean room" for engine building, transmission teardown/assembly room, "fab lab" for custom making whatever is needed to complete the job from small brackets to custom piping and more.

 

 

3SX Racing 

We also took a big step truly in the performance direction by launching our 3SX Racing division in early 2006. This was not only to race and prove the parts that we carry, but also to serve as a research and development platform to develop MORE new parts with high-end performance in mind. 3SX Racing has been a huge success, campaigning both T2 (our FWD 3000GT Drag Car) then T4 (our AWD 3000GT Drag Car) to world records for the FWD and AWD 3S platform.

Below is information that we posted as we raced. We discontinued racing in 2007 after proving again and again the parts that we at 3SX developed, the cars we built and tuned, and our company is world class. 

 

3SX T4 AWD Drag Car

3SX continues through the 9's....

11/7/07 - 3SX took T4 back to Darlington, but this time ran into transmission issues keeping us from getting between gears during the runs. The first run pulled off a 9.339 @ 159.23 from a crappy launch and 60'. That time breaks the trap speed record, verging on 160mph in a mere 1/4 mile!

8/25/07 - Back to Darlington this time, backing up and improving on T4's capabilities, first laying down a 9.334 @ 155.6 and then edging the World Record a little further again by running a 9.214 @ 154.98. Click for the Video!

8/18/07 - We took T4 to Speed Fed Drag Nationals at Rockingham this weekend and stole the show. Our first qualifying run was a 9.331 @ 156.41 which was unmatched by any other car there. Unfortunately, there was NO track prepping happening so the later runs only got slower, with T4 breaking loose in ALL gears while trying to get down the track. Despite that we took FIRST PLACE in the event! That run does push the 3S record a little further...

8/1/07 - We took T4 back to Darlington for an exciting and interesting night.
First run
: after smacking down a 1.446 60ft (in the 6-speed!) didn't *fully* lift up on the clutch pedal on the 1/2 shift and engaged the 2-step when went back to full throttle - oops - let off and coasted a 15.991.
Second run
: Laid down a 1.400 60' and followed up with a 9.488 @ 151.92 - breaking the record.
Third run
: Ripped a record 1.346 60ft and finished by pushing the record even further to a 9.420 @ 149.52!!
Fourth run
: Couldn't get into 4th gear and ran a 9.805 @ 140.60 - turns out the shifter cable and folded over on itself at the tranny, literally "Z"-ing.
NOTE: The first three runs were with NO NITROUS - as it turned out, after wondering why the trap speeds were slower than they should have been compared to our last trip to the track, we had forgotten to hook up the WOT switch at the throttle body. Had N2O on the 4th run but the shifter cable crimped onto itself not letting the us into 4th gear. Still a successful evening at the track!

7/21/07 - T4 Went to Rockingham and reclaimed the record with a 9.512 @ 154.30 - Two other runs made were 9.638 @ 154.58 and 9.611 @ 155.69, the later of which was the third run of the night and is the record trap speed for any 3000GT/Stealth.

6/6/07 - T4 went back to the track with the automatic back in this time, and did manage to improve the WORLD RECORD to 9.647 @ 132.27 - low trap speed due to the fact that the 4th gear shaft gave out.

5/19/07 - 3SX took T4 back to the track and made a couple runs, tearing out a 9.655 @ 148.34 - nudging the WORLD RECORD just a little more! Also impressive was the 1.405 60' while running the 6-speed manual transmission! Also ran a 9.80 @ 145 for the first run of the day. Brought it back home still purring like a kitten.

5/3/07 - We dyno'd T4 a few weeks ago with the 3SX Street REGRIND cams installed and it pulled 820 AWHP. We just reinstalled the 3SX Race Weld cams and laid down 902 AWHP and 720 AWTQ!!! Scroll down to see the video (about 8 mins).

 

3/21/07 - 3SX laid down another pair of 9's going relatively easy on the just replaced transfer case, running only 26 and 28 pounds of boost. The best 9 was a 9.785 @ 137.02 mph!!

3/18/07 - 3SX starts out the 2007 season with a bang! We took the car to Rockingham 3/18/07 and made a single explosive pass, laying down a 9.958 @ 135.00, but shearing the transfer case output shaft into a number of pieces on the launch! Being as that was the same xcase that ran all last year, I guess we go pretty good mileage out of it. :-)

11/1/06 - 3SX T4 laid down a WORLD RECORD RUN 3000GT/Stealth with a 9.666 @ 139.08

Progression of Time

Date Track 60' 330' 1/8 Mile 1/8 MPH 1000' 1/4 Mile 1/4 MPH Trans Slip/Vid
12/7/07 Darlington 1.488 4.076 6.131 122.81   9.315 153.58 MT6  
11/7/07 Darlington 1.529 4.213 6.221 126.31   9.339 159.23 MT6 Slip
8/25/07 Darlington 1.376 3.983 6.009 123.30   9.214 154.98 MT6 Slip Vid
8/25/07 Darlington 1.412 4.099 6.149 123.28   9.334 155.60 MT6 Slip Vid
8/18/07 Rockingham 1.545 4.170 6.186 125.32 7.896 9.331 156.41 MT6 Slip Vid
8/1/07 Darlington 1.549 4.395 6.491 120.91   9.805 140.60 MT6 Slip
8/1/07 Darlington 1.346 3.977 6.119 117.61   9.420 149.52 MT6 Slip
8/1/07 Darlington 1.400 4.069 6.224 117.30   9.488 151.92 MT6 Slip
7/21/07 Rockingham 1.619 4.373 6.432 124.06 8.165 9.611 155.69 MT6 Slip
7/21/07 Rockingham 1.546 4.259 6.312 124.63 8.059 9.512 154.30 MT6 Slip Vid
7/21/07 Rockingham 1.590 4.308 6.433 121.09 8.181 9.638 154.58 MT6 Slip
6/6/07 Darlington 1.595 4.111 6.194 118.7   9.647 132.27 AT4 Slip Vid
5/19/07 Darlington 1.405 4.159 6.313 118.42   9.655 148.34 MT6 Slip Vid
5/19/07 Darlington           9.800 145.00 MT6  
4/22/07 Fayetteville 1.452 4.122 6.338 114.07   9.771 133.14 AT4 Slip Vid
4/22/07 Fayetteville 1.460 4.257 6.463 114.74   9.919 142.59 AT4 Slip Vid
4/22/07 Fayetteville 1.502 4.334 6.579 112.95   9.988 141.2 AT4 Slip Vid
3/21/07 Darlington 1.401 4.047 6.246 111.81   9.785 137.02 AT4 Slip
3/21/07 Darlington 1.457 4.149 6.371 110.94   9.915 137.32 AT4 Slip
3/21/07 Darlington 1.527 4.235 6.506 107.86 8.479 10.157 133.33 AT4 Slip
3/18/07 Rockingham 1.375 4.101 6.343 112.6 8.302 9.958 135.00 AT4 Slip
11/1/06 Darlington 1.488

4.049

6.201 114.30   9.666 139.08 AT4 Slip Vid
10/21/06 Atlanta 1.743 4.522 6.672 117.78

8.460

9.989 147.58 MT6 Slip Vid
10/14/06 Darlington 1.873 4.726 6.950 113.92 8.772 10.339 143.51 MT6 Slip
10/4/06 Darlington 1.843 4.841 7.072 113.45 8.900 10.470 143.38 MT6 Slip
9/30/06 Rockingham 1.792 4.611 6.907 109.65 8.850 10.552 134.26 MT6 Slip
9/22/06 Rockingham 2.173 5.428 7.781 107.55 9.673 11.246 146.38 MT6 Slip

World Record Updated 8/18/2007
Rockingham Dragway - Speed Fed Drag Nationals
1st Place Unlimited Class - Fastest/Quickest car there PERIOD
9.331 @ 156.41

 

World Record Update 7/21/2007
3 Runs 1 Video
Record ET Run (second one) 9.512 @ 154.30
Record Trap Speed (third run) 9.611 @ 155.69

 

World Record Update 5/19/2007
9.655 @ 148.34

 

Previous 11/1/2006 World Record Run:


9.666 @ 139.08

9.989 @ 147.58

 

5/3/2007
We previously dyno'd the car with the 3SX Street REGRIND Cams at 820 AWHP.
We just put the 3SX Race Weld cams back in and dyno'd at 902 AWHP!

 

 


3SX T2 FWD Drag Car

3000GT/Stealth FWD Platform WORLD RECORD HOLDER
World's Quickest & Fastest FWD 3S:
10.191 sec @ 140.31 mph

3SX has never been one to neglect any of the 3000GT/Stealth cars - we support the entire platform, both all-wheel-drive AND front-wheel-drive. We have built a FWD based drag car runing custom developmental turbos, 3SX ported+polished heads with race weld cams, AEM management, 1000cc injectors, 3SX Ross pistons, Pauter rods, FMIC, stock intake manifold and throttle body.

Progression of Time

Date Track R/T 60' 330' 1/8 Mile 1/8 MPH 1000' 1/4 Mile 1/4 MPH Slip/Vid
7/7/06 Rockingham .267 1.586 4.586 6.821 114.22 8.631 10.191 140.31 Slip VID
7/7/06 Rockingham .639 1.696 4.737 7.044 108.59 8.965 10.570 137.85 Slip
7/5/06 Darlington 1.813 1.739 4.827 7.144   9.037 10.624 140.82 Slip
7/5/06 Darlington 1.813 1.739 4.827 7.144   9.037 10.624 140.82 Slip
7/5/06 Darlington 2.982 1.780 4.895 7.266 107.71 9.185 10.794 137.93  
6/28/06 Darlington .370 1.678 4.189 7.178 107.88 9.114 10.763 136.92 Slip
6/28/06 Darlington 1.164 1.776 4.958 7.339 107.19 9.276 10.891 138.71  
6/14/06 US 131 -NG06 .8137 1.7811 4.9113 7.3121 107.65 9.2282 10.8171 141.52 Slip

 


Being front-wheel drive, the car puts on quite a display prior to running down the strip.

 

 


 
 
 




 

 

 

3SX survived the economic downturn of 2008 and on WITHOUT laying off a single employee! We tightened our belts as necessary and made sure that we would be the shop still standing for the long term.

 

As always, 3SX is dedicated to the future! We always have a number of R&D projects up our sleeves that we work on... 

 

2012 was the big year of change with two big new developments: 

 

TPF Cars, and The Performance Factory.

We completed one of our major projects in very early 2007, opening our SuperFlow AWD Dyno to the public! This new offering gives us the ability to tune virtually any vehicle on the road. Now, when we build your engine, you have the option of getting the best and optimal performance from your vehicle. Or we can simply strap your car on and see how much power it makes. It also furthers our R&D because we can actually test products in a controlled environment on the dyno and prove them on the track.

TPF Cars is our expansion into a completely new market - vehicle sales and custom locator service! Our 3SX Cars division offers a unique collection of specialty and customized used vehicles for sale ranging from souped up turbo cars to classic hot rods and custom trucks! But the big offering is our custom locator service. If you are looking for something specific, regardless of what it is (short of maybe an Abrams tank!) you can contact one of our sales representatives and let them know what you are looking for and we will do our best to find your dream car!

The Performance Factory is almost a grassroots movement that swelled up from within the service department itself. Our technicians bring a very deep and broad range of experience to the table. The guys decided they wanted to essentially branch out from under the "Mitsu shop" affiliation that "3SX" tends to carry to better represent that division of the company. Thus "The Performance Factory" was born! With experience ranging from serving on professional race teams, welding and fabrication schooling, and histories in a number of automotive brands, the "We Manufacture Horsepower" is now the prevailing theme! So whether fuel injector or carbureted, turbo charged or naturally aspirated, 100hp or 1000hp, or any combination thereof (!!!), The Performance Factory as a division of 3SX Performance Automotive is your destination for having your vehicle built and tuned to its potential!

 

With all of these new endeavors and exciting changes weighing on the future, we are looking forward to meeting YOU and hope you will look to us to be your premier performance automotive destination!