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CUSTOMER SERVICEProduct Description
- Increased horsepower and torque
- Full 304 stainless steel 3inch down pipe cat less for maximum flow
- Replaces the catalytic converter on your BMW Turbo
- Down pipe removes the severe air flow restriction
- It will gain a lot of hp after you change the down pipe
- Package included all bolts and gaskets
- This is high quality product that you never seem before. 100% satisfaction guaranteed!
- The stock down pipes cause a major restriction in the exhaust flow.
- BMW's solution to deal with the limited space in the engine compartment is to crush the turbo outlet tubes to reduce the size of the tubing.
- Doing this created undesirable backpressure. For emission purposes the factory also incorporated built-in pre-cats directly after the turbo outlet ports.
- This make the exhaust gas backpressure rise to extremely high levels at all rpm and engine loads.
- This design retains excessive heat in the engine and affects performance in a negative way.
