I at present travel a polo gti 6R ,l was question how would my car or truck sound like if l had to set a downpipe and wouldn't it obtain any electric power. Amar – Buy a muffler, some thing sized on your car. You could continue to keep the https://www.social-bookmarking.org/en/the-ultimate-guide-to-downpipes-for-bmw-m3-g80-maximize-performance