Are GPR exhausts any good?
We have the GPR and it is excellent. But both are very good. I have Arrow headers on my BMW and they are well made and effective and light. Both make exhausts for motoGP ( and others) so buy the one you want you can’t go wrong.
Are exhaust baffles bad?
Removing baffles from a motorcycle exhaust or muffler will not damage its engine. Doing so will only make your engine sound louder and reduce restriction in your motorcycle exhaust (back pressure). Removing baffles only requires you to work with the end portion of your motorcycle exhaust – AKA “end can”.
Do I need to repack my exhaust?
The exhaust leaving your engine exits the pipe in waves that travel through the silencer. Packing muffler packing material like fibergalss around the pipe outlet helps the muffler control those waves as they leave your bike. We know mechanics who recommend new muffler packing after every 10 hours of riding.
Where does GPR make their motorcycle exhausts?
All motorcycle exhausts are handmade in house at their Milan factory, ensuring quality control is kept as high as possible. This helps maintain the long held objective of the company to deliver not only quality but also high value.
What kind of fiberglass do you use to wrap baffles?
Get the 1/4 inch thick sheets of 1300-degree fiberglass, and add one wrap at a time around the baffles until you are happy with the sound. Do not use stainless steel, as it is flammable.
Is it OK to use fiberglass Muffler wrap?
Yes, fiberglass muffler wrap will quite down the exhaust. Get the 1/4 inch thick sheets of 1300-degree fiberglass, and add one wrap at a time around the baffles until you are happy with the sound. Do not use stainless steel, as it is flammable.
Do you have to pay tax on GPR exhausts?
Each GPR exhaust is the product of over 40 years’ experience. Featured in Moto and WSB and will continue to use racing to keep their technology at the cutting edge. Our non EU customers don’t need to worry about paying UK sales tax.