Universal Jap Style Exhaust Back Box Muffler

Regular Price £43.00 incl.VAT£61.00 incl.VAT

Performance Stainless Back-Boxes

Categories: , SKU: BB-5-6



Inlet : Select above 

Box Diameter : 5″ or 6″ 

Box Length : 12″ / 300mm

Tailpipe Diameter : Select above

Tailpipe Length :  6″ or 7″

(All sizes are approx)

Customising your car couldn’t easier. This Jap style back-box you can get that modified look easily and without having to spend a fortune, and may also help improve your car’s performance.

These have been used on Nissan Honda Mitsubishi Suzuki and many more.


We’ve given this back box a mid-sport set up, so you get a sporty note when applying the throttle. Made by us at our premises in the UK, we use top grade stainless steel to ensure you get a product that is less likely to rust. Our exhaust technicians meticulously put together each box.


Please note that as this is a universal box there are no hangings, fixtures or brackets, and we do recommend you get a specialist to fit this box onto your vehicle.

We also offer a fitting service, please email us with your vehicle details for a quote.



We can’t comment on if this box will fit your car.

You have to measure your exiting exhaust

We do recommend you check the specifications in the listing to be certain.

Please select from the drop down your requirements.

Total length of the Jap box will be 

With 2″ extension 20″ for 5″ box 

With 2″ extension 21″ for 6″ box  

Weld – on 18″ for 5″ box 

Weld – on 19″ for 6″ box 


We are a leading manufacturer of custom built stainless steel exhaust systems. Buy with confidence from a well established, reputable business.

As we manufacture each box to order your order may take up to 3 days to dispatch, and up to 3 days during busy periods.

See our shop for lots more exhaust parts and much more…


We aim to dispatch within 1 working day of cleared payment, However during busy periods it may take 2 – 3 working days. Once dispatched you will receive the package within 1 to 2 working days.

Additional information

Weight 5 kg
Box diameter

5", 6"

Inlet Size

1.75" / 45mm, 2.25" / 57mm, 2.5" / 63mm, 2" / 51mm, 3" / 76mm

Tip Diameter

3" / 76mm, 3.5" / 89mm, 4" / 101mm, 5" / 127mm


Weld On (no inlet extensions), Clamp On (with extension (s) )