c300
As for downpipes catless will give you "better performance " and be louder than the one with cat. The one with cat has the benefit of have less gassy smell in the car. you would need tune to get the best performance out of either one
As for downpipes catless will give you "better performance " and be louder than the one with cat. The one with cat has the benefit of have less gassy smell in the car. you would need tune to get the best performance out of either one
what stage 1 tune did you get? you could have had have the pops and crackles added at that point. do a search in the forum for burble tune, there's lots of info on the site regarding set ups with the various tunes and stages offered.





