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