Rumble Pack - Invidia R400 CBE + GFB - RESPONS Dual Port BOV (WRX 08-14)

In the range

Does it fit?

In the box: Invidia Q400 exhaust (Ti or SS tip), GFB Respons TMS dual-port BOV
Claimed gain: 17hp / 26ft-lb
Pipe diameter: 76mm
Fits: GR-GV Impreza WRX STI (2008–2014)
Category: Intake & exhaust

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We can’t take an order yet — supply is still being arranged. Ask, and we will tell you what we know about it and let you know when it is available. What people ask for is what we range first.

Fitment is confirmed, not guessed
A chassis is listed only where the part is on one of our cars or on the manufacturer’s own application list.
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Specifications

Brand: Invidia
In the box: Invidia Q400 exhaust (Ti or SS tip), GFB Respons TMS dual-port BOV
Claimed gain: 17hp / 26ft-lb
Pipe diameter: 76mm
Thickness: 1.5mm
Material: SS304 stainless steel
Construction: Mandrel bent piping, machine welded, cast flanges
Tips: Quad straight-cut, titanium coloured
Boost recovery: Up to 30% faster than factory valve
Requires: Standard intercooler (check fitment with aftermarket)
Fits: GR-GV Impreza WRX STI (2008–2014)
Category: Intake & exhaust

Figures as published for this part; fitment is only what we have confirmed. Check critical dimensions against your car before ordering.

About this part

Invidia's Rumble Pack bundles the R400 exhaust, in titanium or stainless tips, with a GFB Respons TMS dual-port blow-off valve, for the 2008–2014 WRX. The exhaust is SS304 stainless at 76mm piping and 1.5mm thickness, mandrel-bent with machine-welded cast flanges, finishing in quad straight-cut, titanium-coloured tips, and Invidia quotes a 17hp, 26ft-lb torque gain. GFB's valve is rated up to 30% faster boost recovery than the factory unit, built around the standard intercooler.