catback exhaust
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Power Loss After Catback
Hey guys, Just got back from the dyno after my magnaflow catback was installed and I lost 20hp and 25lbft. Before this I had the catted downpipes, 3 bar, and the livernois tune and it mad 390hp and 450tq. After the catback I'm at 370 and 425....anyone have any ideas on this? I'm not sure where I...- switch527
- Thread
- catback exhaust down pipes downpipes exhaust system exhaust systems exhaust upgrade livernois livernois parts power loss
- Replies: 11
- Forum: Generation 4 - Performance Upgrades
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N
highly modified 92 SHO, Severn MD
Hello - moving to Florida and don't have the space for my 1992 SHO. It started life as a "beater" from carmax with 84k miles on it but got hooked and slowly the performance sickness took over and I ended up with a built motor, ported heads/intake, cams, powerdyne supercharger kit from shoshop...- noshoken
- Thread
- built motor catback exhaust eibach springs koni struts mtx quaife differential standalone engine management tech3
- Replies: 14
- Forum: SHO Trader
