What a straight pipe exhaust modification looks like (plus the owner’s description of the sound and power increase). In addition to that, there are a few give-and-takes about general aftermarket exhaust noise and about aftermarket exhaust quality.
- Dual exhaust for 98 V70 AWD
For those with V70 AWD versions with the stock single outlet muffler on the right side, the 2000 V70 R dual muffler is a direct fit. I had one installed today on my 98 AWD. There are lots of earlier posts on this but I hadn't seen one recently. I'm attaching photos of the muffler system and how it looks on the car. My understanding is that there is no performance advantage, but it looks and sounds good. The muffler system was $272 at Waltrip and the endpipes were $42 each. Dual exhaust for 98 V70 AWD
- Performance Exhausts for Volvos
Performance Exhausts for Volvos: Theory and Practice If you care about getting good performance, mandrel bending is important. Mandrel bending is bending the pipe such that the cross sectional area remains a perfect circle, as opposed to be distorted to an ellipse, which has a smaller cross sectional area, which also has poorer flow characteristics. Well, I have a feeling the "sound" is for those that are looking to change the sound of their exhaust. The Sound For example, my Volvo 850 now sounds much deeper and more refined. A "dual conversion" will be for those that have a single pipe and want a dual exhaust outlet. The majority of the time, this occurs right at the very end of the exhaust stream, so it makes little to no performance difference. "Glaspac" is something used…
- DIY 1998 Volvo V70 Exhaust Manifold Replacement
Alright, my exhaust leak has been chronic for a few years, as it turns out, it is a leak at the Flex Pipe, just in front of the Catalytic. It gets worse and noisy, so I decided to tackle it. Search forum for “OBX Exhaust Manifold” brand, about $200 on ebay etc., many people seem OK with it. I could not find any long-term report (such as 5 years or more) of happiness with OBX, also from my research the Honda people have some issues with OBX. Since this is a job I don’t want to do again for another 10 years, I decided to go with Volvo OEM because the OEM held up for more than 10 years!