The ScoobySport exhaust is legendary amongst Subaru owners. Manufactured to the highest standard by Janspeed exclusively for ScoobySport.  This is the latest and most refined version of the ScoobySport performance exhaust systems.

Every part of the ScoobySport exhaust system has been computer modeled and flow tested to produce the maximum improvement in drivability. The improvements in flow mean even better power and even more torque, with the quickest turbo spool up we have ever seen. At the limit, it also means the most accurate boost control, essential for owners that will be re-mapping their cars to higher levels of performance.

The latest ScoobySport silencer design not only improves on previous flow levels, but also on the sound. The overall noise level has been reduced slightly, removing harshness and enhancing the deep burble of the Subaru engine. The noise levels inside the car are now considerably lower. The result is no droning on the motorway, especially at the critical 4,000 rpm level. Once full throttle is applied, the sound is exactly as you would expect though!!

Why does...
the ScoobySport Exhaust flow so well?

Click HERE for explanation.
 

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• Computer Aided Design of all parts
• Bench flow tested to optimise gas flow
• Fully annealed 304 stainless steel pipe work
• Stainless steel perforated internal piping
• Laser cut stainle#ss steel flanges
• Seamless box construction
• Polished stainless tailpipe
• Polished stainless silencer casing
• Smooth taper between all different internal diameters
• Hand TIG welded throughout by craftsmen
• CNC mandrel bending to ensure that every product is a perfect replica of the best development prototypes 

• The ScoobySport rear silencer is the world’s most popular. 
• The polished 90mm tailpipe has an internally rolled lip giving a classic, purposeful, but understated look.
• Its combination of excellent construction, distinctive sound, generous power increase and no quibble 25 year warranty means that it has become synonymous with tuned Imprezas and is the first modification most owners undertake.

• These simple pipe lengths replace the standard rear catalyst and baffle silencer. If used with the original downpipe, the car will still pass emissions.
• Accurate mandrel bending and jig assembly ensure that these sections are easy to fit. The use of 304 stainless for all parts including the laser cut flanges ensure that they will out live the car.

• Reduces turbo lag
• Stabilises boost control at maximum boost and the flatness of the resulting torque graph.
• Achieves peak torque at a full 1000rpm sooner than with the standard downpipe (on most models).
• Provides a smooth, restriction free exit for both the main turbo gas and the wastegate gas.
• It is this restriction free exit for wastegate gas that makes the ScoobySport downpipe the choice of serious tuners. By maintaining stable boost via an accurate wastegate, any future ECU mapping can also be much more accurate and the result power increase is that much greater.

• Improved manifold efficiency. 
• Reduces cylinder and exhaust gas temperature.
• Stabilises flow into the exhaust impeller port.
• Faster response and solid boost.
• Strongly recommended if the vehicle is fitted with an up rated ECU. 

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