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Compare the 5 best bolt-on power upgrades for the 87-96 Ford F-150 OBS 5.0 & 5.8L: BBK throttle bodies, shorty he...

Compare the 5 best headers for the 2009-2018 Ram 1500 5.7 HEMI: shorty vs long-tube, dyno HP gains, and prices from $...

Compare the 4 best 5.7 Hemi headers for 2005-2015 Dodge Charger, Challenger, 300 and Magnum: real specs, 15-20 HP gai...

Compare the 4 best headers for the 2011-2014 Ford F-150 5.0 Coyote. Shorty vs long-tube kits from BBK, JBA, Stainless...

Compare the best headers and bolt-ons for the 2009-2018 Ram 1500 5.7L Hemi: BBK shorty headers, cold-air intakes, thr...

Compare the best BBK shorty headers for the 5.7 Hemi Dodge Charger and Challenger. Dyno gains, silver vs titanium cer...

Compare the 5 best bolt-on upgrades for the 1999-2004 Mustang V6: BBK headers, Eibach springs, BMR arms and EBC pads....

Best headers & bolt-ons for the 87-95 Ford F-150 5.0: compare BBK shorty headers, twin throttle bodies & a Ma...

Compare the best headers for the 1996-2004 Mustang GT 4.6L 2V: BBK long-tube vs shorty, RWHP gains, plus X-pipe and c...

Compare the 5 best headers for the 2009-2018 Ram 1500 5.7L Hemi: shorty vs long-tube, real hp gains, CARB-legal picks...

Best throttle body upgrades for 87-96 Ford F-150 and Bronco 5.0/5.8L: BBK 56mm vs 61mm for +10-12 HP, plus intake and...

Compare the best headers for the 2009-2018 Ram 1500 5.7L Hemi: BBK shorty vs Kooks stainless, with real dyno gains, i...