Results 1 to 7 of 7
Thread: best hi-flow cats?
03-19-2008, 06:57 PM #1
best hi-flow cats?
Whats the best hi-flow cats for the money/cheaper. and headers.
I have a 2000 5.3 with true duals no mufflers out at 65 degree angles. are hiflow cats and headers going to make a sound difference?2000 Silverado, 3" body lift with 2" rear block in rear and torsion bars cranked up front. Westin bull bar, 35" Mickey Thompson Baja ATZ. 2 3/4 true duals no mufflers to 4" stainless tips at 65 degree angle, smoked tailights, led lightbar, black halo headlights.
03-19-2008, 07:04 PM #2
best hi-flo cat id go magnaflow.... I have flowtech shorty headers and they are nice and wont break the bank... you will prob get a little louder and deeper sound with the combination of the two alsoPETE
95 GMC Sierra 2500
3" Body Lift, 33" Goodyear MTR's
5.7L 350 TBI Edelbrock SDT Exhaust, Flowtech Headers, K&N Intake
1999 Jeep Cherokee, 3" Rustys lift, 33" BFG MT's, locked, armored: Rolled :(
2000 Jeep Grand Cherokee Limited. K&N Intake, Custom Kolak Exhaust
Contact this GMTC Moderator for any problems or questions you may have :great:
Join the GMTC Facebook Group!!! Join Here
03-20-2008, 10:23 AM #3
Magnaflow is the way to go for cats. Not sure about any specific brand of headers, but I'd just go for the long-tube headers. You'll see much more noticable gains. They also cost more, of course.
2009 GMC Sierra Denali AWD
03-20-2008, 06:16 PM #4
Ive got slp on my 05 gto and i like them havent changed the ones on my truck yet.
03-24-2008, 03:27 PM #5
about how much does a set of magnaflow hiflow-cats cost?2000 Silverado, 3" body lift with 2" rear block in rear and torsion bars cranked up front. Westin bull bar, 35" Mickey Thompson Baja ATZ. 2 3/4 true duals no mufflers to 4" stainless tips at 65 degree angle, smoked tailights, led lightbar, black halo headlights.
03-24-2008, 04:39 PM #6
The magnaflow cats are about 65 bucks a piece from summit.
2007 GMC Sierra CrewCab 4.8L
Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
Former GM Vehicles:
96 Chevy Camaro. My first car modded for a High School kid.
03-26-2008, 11:55 PM #7
Does replacing for hi-flow cats make a big difference, or should one invest in new piping?
2006 Chevy Silverado 1500 2WD EXT Cab
4.3L V6 Vortec, K&N Drop-In, Flowmaster Super 44,
3" Exhaust tip, 22" Boss #331 Rims, Clifford 50.5x Alarm,
Escalade Gauges, DJM Leveling Kit, Billet grill, All JL Audio Speakers,
300XD MTX amp, Two 10" Alpine SWE-1042 subs
-Check out my photo album!
By npverhey1 in forum Performance & FuelReplies: 10Last Post: 05-17-2011, 11:18 PM
By Metaluzc in forum Performance & FuelReplies: 11Last Post: 03-23-2010, 08:07 PM
By 516blackout in forum General Chevy & GM Tech QuestionsReplies: 6Last Post: 08-05-2009, 10:22 PM
By vncj96 in forum Performance & FuelReplies: 1Last Post: 05-24-2009, 07:51 PM
By x69x442x in forum Performance & FuelReplies: 15Last Post: 08-05-2008, 01:55 AM
Tags for this Thread