Description
PSP FAT CAT.
For the discerning enthusiast who demands the best in performance and craftsmanship.
The absolute finest high output 49 state EPA compliant down pipes available for the RAM RHO.
Features:
- Dyno proven peak gains of 23 hp and 26 lb ft vs oe cats on a completely stock vehicle
- 500 lb ft to the wheels at 3,000 rpm!
- Dyno proven peak gains of 15 hp and 44 lb ft vs oe cats on a diablosport cat6 equipped vehicle
- +100hp and +150 lb ft @3250 rpm!
- +5.6 psi at 3250 rpm!
- +55 hp and +80 lb ft @3500 rpm!
- 4-5 psi more boost from 3000 -4000 rpm!
- 3 psi more boost from 2000 -3000 rpm!
- +100hp and +150 lb ft @3250 rpm!
- More power and torque everywhere under the curve
- Peak torque comes on almost 300 rpm sooner
- Massive bottom end and midrange gains as turbo spool comes on earlier and harder
- AFR’s start at 14.5:1 and have a nice gradual taper to 12.4:1 at redline during a pull.
- No lean conditions and no tuning required!
- 49 Sate EPA Compliant high quality GESI Gen II UHO catalytic converters rated up to 1700 horsepower
- 400cpi S-wound cores proven to flow like an open 3″ pipe whilst meeting stringent EPA emissions standards
- Metallic catalyst substrates capable of withstanding temperatures spikes up to 1,600*F
- Higher temperature tolerance and resistance to thermal shock compared to that of the OE catalyst
- Designed to dissipate heat faster than the OE which have had issues with temperatures and melting
- Metallic catalysts used are less prone to cracking and more durable vs the OE ceramic catalyst
- 3D scanning and CAD modeling to ensure OE fitment and zero clearance issues
- Improved flow path and geometry over OE design
- Fluid dynamics optimized diameters and transitions chosen to minimize turbulence and pressure drop
- Lowers back pressure, increasing spool
- Lowers Exhaust Gas Temperatures (EGT)
- Expertly tig welded by our in-house fabricator
- Mandrel bent tubing for smooth transitions and superior flow
- CNC machined turbo flange
- CNC laser cut brackets
- Provisions for the factory heat shield on the upper down pipe
- All Stainless Steel construction utilizing thick gauge USA made pipe
- Bolts up to the OE mounting locations with no modifications
- Made in the USA
Factory exhaust with the down pipes installed
- Running 6-9db’s louder vs OE cats
- Once it settles at warm idle its +6-7db
- There is an increased turbo spool sound
- Deeper more aggressive overall
- No drone in 8th gear at freeway speeds (1800-2200 rpm), barely audible over road noise


















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