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This is XForce's Race cat-back system for the G3 VA Subaru WRX STI sedan. It replaces the factory exhaust from the cat back with 304 stainless mandrel-bent pipework, a cast stainless steel Y-piece carrying the XFORCE logo, and a 3" centre muffler that splits into twin 2.5" sections feeding high-flow rear resonators and a parallel drone canister. It finishes in quad 4" double-walled burnt blue tips. It is a direct bolt-on to the factory exhaust and comes with all the hardware needed to fit it.
The part worth understanding here is the parallel drone canister. A side branch like that cancels a narrow band of frequency by reflection rather than by absorbing energy the way extra muffler volume would, so it can target the specific cruise resonance that makes a loud exhaust tiring on a long drive without restricting flow to do it - which is how a system can be billed as XForce's highest volume output yet and still keep cabin drone to a minimum, when those two normally trade directly against each other. The mandrel-bent pipework and the cast Y-piece pull in the same direction: a constant bore through the bends and a smooth split into the twin 2.5" sections keep the gas path clean, so the volume comes from flow rather than from deleting silencing, and the quad rear mufflers spread the remaining silencing work across four smaller units instead of one large one. If you want a race-inspired note at the loud end of the scale and still have to sit at highway cruise in the same car, that balance is the point of this system.
Features
- 304 stainless steel mandrel-bent pipework throughout
- 3" centre muffler splitting into twin 2.5" sections
- Cast stainless steel Y-piece with the XFORCE logo
- Centre hot-dog style resonator with quad rear mufflers
- Parallel drone-reducing canister to tame cabin frequencies
- Quad 4" double-walled burnt blue tips
Fitment
Subaru WRX STI, G3 VA chassis, sedan body. If you are not sure whether your car is covered, message us with your year, trim and engine and we will confirm the fit before you order.
Does not fit: Fits the sedan body only.
Let customers speak for us
Solid shipping ,good communication ,great product 5stars all the way
First let's preface I have tried three other tuners. Not bad mounting or name dropping as they all were solid tunes. But Daniel just has that magic touch when tuning the 1.6 platform.
The car has a buttery smooth power band making the car feel like a larger displacement six cylinder over a turbo charged car. Plenty of fun to be had at any speed or RPM range.
He will take the time to get you dialed in perfectly for your car. No canned tunes here folks. And if you are a EK1 user three tunes for the price of one simply can't be neat.
I received the Stage 2 tune. Here are my thoughts:
- The shifts are buttery smooth
- I love the auto shift @2000rpm when cruising around town; saves me an extra 2-3mpg overall
- Driving in traffic is a dream now, much better than stock. I don't even hear that annoying shifting fork anymore, lol
- Any and all DCT slips are gone
- The increase in torque limit! This opened up my N75 Stage 3 ECU tune; I can feel the difference. The last time I dynoed, I got 289 lb-ft of torque. But it feels much more substantial than that!
- The clamping force is unreal. I did a run from a dig, and it hooked and slammed through the gears all the way to 7k rpm in each gear. Amazing.
Conclusion: This TCU tune is a must-have. If you have an N75 ECU tune, it is an absolute game-changer! Especially with the Redline MT-LV fluid that I'm running. I can't wait to get my retune with water meth injection. Daniel and the rest of the N75 team are the best!
Works like suppose to be fast delivery after installation 5 minutes drive TPMS sensors lights off everything is normal like from factory 👍👍👍
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Product was very easy to install and what a difference in shifting also n75 was super awesome to deal with will shop here again
After using the N75 tune for a couple of months, I can confidently say that it offers the best value for your money on the market. I've tried SXTH and LAP3 tunes before, but since switching to N75, I won't look back. With top-notch customer support, it ensures your car performs better, turning heads at every car meet.
Been running stage 2 off that bat and had some problems here and their regarding fueling. Daniel has been with me the whole way, answering questions and adjusting tunes while adding revisions whenever asked. He answers every question I ask even when they don’t relate to tuning.
Highly highly recommend N75!
Daniel's tuning and customer service makes this product a 10 out of 10. I'm new to tuning and he made the process a breeze. I literally laughed out loud when I first drove the car after installing the stage 2 tune. I still can't believe the difference.
Love the intake, fitment is superb, instal was easy and best of all n75’s customer support is stellar and way above average!
M45IL Kia Stinger GT 3.3TT Spark Plugs
Hands down best bov I’ve had, I got the part 5207 for trumpet sound and man. You won’t be disappointed. Shipping was fast & easy.
Looks great!
Fast shipping, easy to install, quality built.
Waiting for some more parts then dyno time!
Awesome
Perfect size and great location for the WMI port.
