Invidia R400 Exhaust Installed

[Unity Performance]

Hey all! We installed the Invidia R400 on a customer car last week, figured I'd drop the video here so you all can have a listen



Highlights:

• 3" T304 SS
• 3" FP Included
• Double-resonated midpipe
• Retains factory valve control
• Triple Tips (Burnt Ti, Gloss Black)
• Flanged Connections

Impressions: "bassy" start up tone, which is an R400 characteristic. Settles down to a very light-mild idle. In Comfort with the Valve closed it doesn't have the bassy tone, but with the Valve open in Sport or +R you can definitely hear the increase in sound. Very mild in Comfort, even at freeway speeds (per the customer who had a 2-hour drive home). In +R there will be cabin intrusion, but certainly a good move by Invidia to have a double-resonated midpipe on the R400 to compensate for it. The Q300 that we installed on a Type S a couple weeks back only has one resonator since the rear mufflers are much larger.

Overall, no issues with fitment and quality. Same evening he picked up a 27WON Catted Downpipe and PRL Intercooler from us, and installed it the next day in his home garage. Car got louder in both modes but still not obnoxious as he's able to use it as a family car with a baby seat in the back. Mind you, him and his wife are both massive car enthusiasts and the baby's used to other loud cars.

Link to Exhaust

Thanks!

Humza

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[2025-Si]

You blurred out the speedometer, but your speed is visible on the infotainment screen.

 

[typerawrr]

Price point makes this one a little more interesting, but not sure if I should try the resonator delete before biting the bullet

 

[evlsmurf]

I have this exhaust and love it. Nice deep, throaty sound. There is definitely drone, but it doesn't bother me one bit. I wish the tips were welded on like the one for the FK8. The benefit is you can place the side tips where you want. I have them sitting back from the center tip.

 

[Unity Performance]

You blurred out the speedometer, but your speed is visible on the infotainment screen.

Darn Waze! Late night editing, missed that detail

 

[Unity Performance]

Price point makes this one a little more interesting, but not sure if I should try the resonator delete before biting the bullet

We have the stock exhaust on our DE5 right now with an RV6 Catted DP, and the stock exhaust can be made louder with a res delete, but they don't have the deep tone/rumble of a 3" system with mufflers designed to sound that way.

 

[Unity Performance]

I have this exhaust and love it. Nice deep, throaty sound. There is definitely drone, but it doesn't bother me one bit. I wish the tips were welded on like the one for the FK8. The benefit is you can place the side tips where you want. I have them sitting back from the center tip.

Everyone's perception of drone will vary a bit, but what I can say from having both cars, the R400 on the FK8 was notorious for a boomy/drone cabin, whereas the FL5 and DE5 with the introduction of a Valve have certainly helped improve the system so it can be daily friendly for most people.

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