The exhaust system may further include {HEAD ~ a plurality} of dosers associated with the diffuser and configured to inject fuel into {TAIL ~ the diffuser} 
The exhaust system may further include { HEAD ~ a plurality } of dosers associated with the diffuser and configured to inject fuel into { TAIL ~ the diffuser }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL