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Pipework Bore – 76mm
High quality T304 stainless steel aftermarket performance exhausts with Mongoose’s lifetime guarantee. All Mongoose systems offer superb fit, exceptional build quality, performance increase, great looks and the ultimate in sound. Please note that those vehicles fitted with catalytic converters as standard should remove them for competition / display use only. The vehicle will not pass an M.O.T without a catalytic converter.
For the ultimate in sound and performance the only choice has to be Mongoose
Please note this system is available as the quieter standard Mongoose system or the louder “System 500” system
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Shaun P - GoogleHad a Turbosmart 50/50 dual port blow off valve fitted by Wayside Performance today on my Focus ST Mk3. Great noise. Fantastic service and Chris knows his stuff. Supplied and fitted in under an hour. Definitely recommend.
Simi T - GoogleHands down the best garage I’ve ever been to. With some expert advise from Chris I was able to get performance out of my car that I could only have dreamt of before
Ian K - GoogleTraveled down from Bolton today for injectors and remap on my Corsa VXR Nurburgring. Chris did a great job really happy. Great drive home I would highly recommend.
Maria O - FacebookHighly recommend the guys at Wayside Performance. Been using them for nearly 2 years now. Always helpful and willing to go that extra mile.